| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="An iterator adaptor that borrows from a `Clone`-able iterator to only pick off elements while the predicate returns `true`."><meta name="keywords" content="rust, rustlang, rust-lang, TakeWhileRef"><title>TakeWhileRef in itertools::structs - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" 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class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../itertools/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../itertools/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">TakeWhileRef</a></h2><div class="sidebar-elems"><section><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Debug-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Debug</a></li><li><a href="#impl-Iterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Iterator</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Send</a></li><li><a href="#impl-Sync-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Sync</a></li><li><a href="#impl-Unpin-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">!UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Into<U></a></li><li><a href="#impl-IntoIterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">IntoIterator</a></li><li><a href="#impl-Itertools-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">Itertools</a></li><li><a href="#impl-TryFrom%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E">TryInto<U></a></li></ul></section><h2><a href="index.html">In itertools::structs</a></h2></div></nav><main><div class="width-limiter"><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="../index.html">itertools</a>::<wbr><a href="index.html">structs</a>::<wbr><a class="struct" href="#">TakeWhileRef</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></h1><span class="out-of-band"><a class="srclink" href="../../src/itertools/adaptors/mod.rs.html#610-613">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct TakeWhileRef<'a, I: 'a, F> { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An iterator adaptor that borrows from a <code>Clone</code>-able iterator |
| to only pick off elements while the predicate returns <code>true</code>.</p> |
| <p>See <a href="../trait.Itertools.html#method.take_while_ref"><code>.take_while_ref()</code></a> for more information.</p> |
| </div></details><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/itertools/adaptors/mod.rs.html#615-619">source</a><a href="#impl-Debug-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> Debug for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> I: Iterator + Debug,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/adaptors/mod.rs.html#618">source</a><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fmt</a>(&self, f: &mut Formatter<'_>) -> Result</h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Iterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/itertools/adaptors/mod.rs.html#628-652">source</a><a href="#impl-Iterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> Iterator for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> I: Iterator + Clone,<br> F: FnMut(&I::Item) -> bool,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Item</a> = <I as Iterator>::Item</h4></section></summary><div class='docblock'>The type of the elements being iterated over.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.next" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/adaptors/mod.rs.html#634-647">source</a><a href="#method.next" class="anchor"></a><h4 class="code-header">fn <a class="fnname">next</a>(&mut self) -> Option<Self::Item></h4></section></summary><div class='docblock'>Advances the iterator and returns the next value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.size_hint" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/adaptors/mod.rs.html#649-651">source</a><a href="#method.size_hint" class="anchor"></a><h4 class="code-header">fn <a class="fnname">size_hint</a>(&self) -> (usize, Option<usize>)</h4></section></summary><div class='docblock'>Returns the bounds on the remaining length of the iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.next_chunk" class="method trait-impl has-srclink"><a href="#method.next_chunk" class="anchor"></a><h4 class="code-header">fn <a class="fnname">next_chunk</a><const N: usize>(<br> &mut self<br>) -> Result<[Self::Item; N], IntoIter<Self::Item, N>></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_next_chunk</code>)</span></div></span><div class='docblock'>Advances the iterator and returns an array containing the next <code>N</code> values. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.count" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.count" class="anchor"></a><h4 class="code-header">fn <a class="fnname">count</a>(self) -> usize</h4></section></summary><div class='docblock'>Consumes the iterator, counting the number of iterations and returning it. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.last" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.last" class="anchor"></a><h4 class="code-header">fn <a class="fnname">last</a>(self) -> Option<Self::Item></h4></section></summary><div class='docblock'>Consumes the iterator, returning the last element. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.advance_by" class="method trait-impl has-srclink"><a href="#method.advance_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">advance_by</a>(&mut self, n: usize) -> Result<(), usize></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_advance_by</code>)</span></div></span><div class='docblock'>Advances the iterator by <code>n</code> elements. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.nth" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.nth" class="anchor"></a><h4 class="code-header">fn <a class="fnname">nth</a>(&mut self, n: usize) -> Option<Self::Item></h4></section></summary><div class='docblock'>Returns the <code>n</code>th element of the iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.step_by" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.28.0">1.28.0</span><a href="#method.step_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">step_by</a>(self, step: usize) -> StepBy<Self></h4></section></summary><div class='docblock'>Creates an iterator starting at the same point, but stepping by |
| the given amount at each iteration. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.chain" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.chain" class="anchor"></a><h4 class="code-header">fn <a class="fnname">chain</a><U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter><span class="where fmt-newline">where<br> U: IntoIterator<Item = Self::Item>,</span></h4></section></summary><div class='docblock'>Takes two iterators and creates a new iterator over both in sequence. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.zip" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.zip" class="anchor"></a><h4 class="code-header">fn <a class="fnname">zip</a><U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter><span class="where fmt-newline">where<br> U: IntoIterator,</span></h4></section></summary><div class='docblock'>‘Zips up’ two iterators into a single iterator of pairs. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.intersperse_with" class="method trait-impl has-srclink"><a href="#method.intersperse_with" class="anchor"></a><h4 class="code-header">fn <a class="fnname">intersperse_with</a><G>(self, separator: G) -> IntersperseWith<Self, G><span class="where fmt-newline">where<br> G: FnMut() -> Self::Item,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_intersperse</code>)</span></div></span><div class='docblock'>Creates a new iterator which places an item generated by <code>separator</code> |
| between adjacent items of the original iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.map" class="anchor"></a><h4 class="code-header">fn <a class="fnname">map</a><B, F>(self, f: F) -> Map<Self, F><span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> B,</span></h4></section></summary><div class='docblock'>Takes a closure and creates an iterator which calls that closure on each |
| element. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.for_each" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.21.0">1.21.0</span><a href="#method.for_each" class="anchor"></a><h4 class="code-header">fn <a class="fnname">for_each</a><F>(self, f: F)<span class="where fmt-newline">where<br> F: FnMut(Self::Item),</span></h4></section></summary><div class='docblock'>Calls a closure on each element of an iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.filter" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.filter" class="anchor"></a><h4 class="code-header">fn <a class="fnname">filter</a><P>(self, predicate: P) -> Filter<Self, P><span class="where fmt-newline">where<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Creates an iterator which uses a closure to determine if an element |
| should be yielded. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.filter_map" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.filter_map" class="anchor"></a><h4 class="code-header">fn <a class="fnname">filter_map</a><B, F>(self, f: F) -> FilterMap<Self, F><span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> Option<B>,</span></h4></section></summary><div class='docblock'>Creates an iterator that both filters and maps. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.enumerate" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.enumerate" class="anchor"></a><h4 class="code-header">fn <a class="fnname">enumerate</a>(self) -> Enumerate<Self></h4></section></summary><div class='docblock'>Creates an iterator which gives the current iteration count as well as |
| the next value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.peekable" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.peekable" class="anchor"></a><h4 class="code-header">fn <a class="fnname">peekable</a>(self) -> Peekable<Self></h4></section></summary><div class='docblock'>Creates an iterator which can use the <a href="Peekable::peek"><code>peek</code></a> and <a href="Peekable::peek_mut"><code>peek_mut</code></a> methods |
| to look at the next element of the iterator without consuming it. See |
| their documentation for more information. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.skip_while" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.skip_while" class="anchor"></a><h4 class="code-header">fn <a class="fnname">skip_while</a><P>(self, predicate: P) -> SkipWhile<Self, P><span class="where fmt-newline">where<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Creates an iterator that <a href="Iterator::skip"><code>skip</code></a>s elements based on a predicate. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.take_while" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.take_while" class="anchor"></a><h4 class="code-header">fn <a class="fnname">take_while</a><P>(self, predicate: P) -> TakeWhile<Self, P><span class="where fmt-newline">where<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Creates an iterator that yields elements based on a predicate. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_while" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.57.0">1.57.0</span><a href="#method.map_while" class="anchor"></a><h4 class="code-header">fn <a class="fnname">map_while</a><B, P>(self, predicate: P) -> MapWhile<Self, P><span class="where fmt-newline">where<br> P: FnMut(Self::Item) -> Option<B>,</span></h4></section></summary><div class='docblock'>Creates an iterator that both yields elements based on a predicate and maps. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.skip" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.skip" class="anchor"></a><h4 class="code-header">fn <a class="fnname">skip</a>(self, n: usize) -> Skip<Self></h4></section></summary><div class='docblock'>Creates an iterator that skips the first <code>n</code> elements. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.take" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.take" class="anchor"></a><h4 class="code-header">fn <a class="fnname">take</a>(self, n: usize) -> Take<Self></h4></section></summary><div class='docblock'>Creates an iterator that yields the first <code>n</code> elements, or fewer |
| if the underlying iterator ends sooner. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.scan" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.scan" class="anchor"></a><h4 class="code-header">fn <a class="fnname">scan</a><St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F><span class="where fmt-newline">where<br> F: FnMut(&mut St, Self::Item) -> Option<B>,</span></h4></section></summary><div class='docblock'>An iterator adapter similar to <a href="Iterator::fold"><code>fold</code></a> that holds internal state and |
| produces a new iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.flat_map" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.flat_map" class="anchor"></a><h4 class="code-header">fn <a class="fnname">flat_map</a><U, F>(self, f: F) -> FlatMap<Self, U, F><span class="where fmt-newline">where<br> U: IntoIterator,<br> F: FnMut(Self::Item) -> U,</span></h4></section></summary><div class='docblock'>Creates an iterator that works like map, but flattens nested structure. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fuse" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.fuse" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fuse</a>(self) -> Fuse<Self></h4></section></summary><div class='docblock'>Creates an iterator which ends after the first [<code>None</code>]. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.inspect" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.inspect" class="anchor"></a><h4 class="code-header">fn <a class="fnname">inspect</a><F>(self, f: F) -> Inspect<Self, F><span class="where fmt-newline">where<br> F: FnMut(&Self::Item),</span></h4></section></summary><div class='docblock'>Does something with each element of an iterator, passing the value on. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.by_ref" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.by_ref" class="anchor"></a><h4 class="code-header">fn <a class="fnname">by_ref</a>(&mut self) -> &mut Self</h4></section></summary><div class='docblock'>Borrows an iterator, rather than consuming it. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.collect" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.collect" class="anchor"></a><h4 class="code-header">fn <a class="fnname">collect</a><B>(self) -> B<span class="where fmt-newline">where<br> B: FromIterator<Self::Item>,</span></h4></section></summary><div class='docblock'>Transforms an iterator into a collection. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.collect_into" class="method trait-impl has-srclink"><a href="#method.collect_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">collect_into</a><E>(self, collection: &mut E) -> &mut E<span class="where fmt-newline">where<br> E: Extend<Self::Item>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_collect_into</code>)</span></div></span><div class='docblock'>Collects all the items from an iterator into a collection. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partition" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.partition" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partition</a><B, F>(self, f: F) -> (B, B)<span class="where fmt-newline">where<br> B: Default + Extend<Self::Item>,<br> F: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Consumes an iterator, creating two collections from it. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_partitioned" class="method trait-impl has-srclink"><a href="#method.is_partitioned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">is_partitioned</a><P>(self, predicate: P) -> bool<span class="where fmt-newline">where<br> P: FnMut(Self::Item) -> bool,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_is_partitioned</code>)</span></div></span><div class='docblock'>Checks if the elements of this iterator are partitioned according to the given predicate, |
| such that all those that return <code>true</code> precede all those that return <code>false</code>. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_fold" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.27.0">1.27.0</span><a href="#method.try_fold" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_fold</a><B, F, R>(&mut self, init: B, f: F) -> R<span class="where fmt-newline">where<br> F: FnMut(B, Self::Item) -> R,<br> R: Try<Output = B>,</span></h4></section></summary><div class='docblock'>An iterator method that applies a function as long as it returns |
| successfully, producing a single, final value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_for_each" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.27.0">1.27.0</span><a href="#method.try_for_each" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_for_each</a><F, R>(&mut self, f: F) -> R<span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> R,<br> R: Try<Output = ()>,</span></h4></section></summary><div class='docblock'>An iterator method that applies a fallible function to each item in the |
| iterator, stopping at the first error and returning that error. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.fold" class="anchor"></a><h4 class="code-header">fn <a class="fnname">fold</a><B, F>(self, init: B, f: F) -> B<span class="where fmt-newline">where<br> F: FnMut(B, Self::Item) -> B,</span></h4></section></summary><div class='docblock'>Folds every element into an accumulator by applying an operation, |
| returning the final result. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.reduce" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.51.0">1.51.0</span><a href="#method.reduce" class="anchor"></a><h4 class="code-header">fn <a class="fnname">reduce</a><F>(self, f: F) -> Option<Self::Item><span class="where fmt-newline">where<br> F: FnMut(Self::Item, Self::Item) -> Self::Item,</span></h4></section></summary><div class='docblock'>Reduces the elements to a single one, by repeatedly applying a reducing |
| operation. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_reduce" class="method trait-impl has-srclink"><a href="#method.try_reduce" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_reduce</a><F, R>(<br> &mut self,<br> f: F<br>) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType<span class="where fmt-newline">where<br> F: FnMut(Self::Item, Self::Item) -> R,<br> R: Try<Output = Self::Item>,<br> <R as Try>::Residual: Residual<Option<Self::Item>>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iterator_try_reduce</code>)</span></div></span><div class='docblock'>Reduces the elements to a single one by repeatedly applying a reducing operation. If the |
| closure returns a failure, the failure is propagated back to the caller immediately. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.all" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.all" class="anchor"></a><h4 class="code-header">fn <a class="fnname">all</a><F>(&mut self, f: F) -> bool<span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Tests if every element of the iterator matches a predicate. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.any" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.any" class="anchor"></a><h4 class="code-header">fn <a class="fnname">any</a><F>(&mut self, f: F) -> bool<span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Tests if any element of the iterator matches a predicate. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.find" class="anchor"></a><h4 class="code-header">fn <a class="fnname">find</a><P>(&mut self, predicate: P) -> Option<Self::Item><span class="where fmt-newline">where<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Searches for an element of an iterator that satisfies a predicate. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_map" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.30.0">1.30.0</span><a href="#method.find_map" class="anchor"></a><h4 class="code-header">fn <a class="fnname">find_map</a><B, F>(&mut self, f: F) -> Option<B><span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> Option<B>,</span></h4></section></summary><div class='docblock'>Applies function to the elements of iterator and returns |
| the first non-none result. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_find" class="method trait-impl has-srclink"><a href="#method.try_find" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_find</a><F, R>(<br> &mut self,<br> f: F<br>) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType<span class="where fmt-newline">where<br> F: FnMut(&Self::Item) -> R,<br> R: Try<Output = bool>,<br> <R as Try>::Residual: Residual<Option<Self::Item>>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>try_find</code>)</span></div></span><div class='docblock'>Applies function to the elements of iterator and returns |
| the first true result or the first error. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.position" class="anchor"></a><h4 class="code-header">fn <a class="fnname">position</a><P>(&mut self, predicate: P) -> Option<usize><span class="where fmt-newline">where<br> P: FnMut(Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Searches for an element in an iterator, returning its index. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max_by_key" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.6.0">1.6.0</span><a href="#method.max_by_key" class="anchor"></a><h4 class="code-header">fn <a class="fnname">max_by_key</a><B, F>(self, f: F) -> Option<Self::Item><span class="where fmt-newline">where<br> B: Ord,<br> F: FnMut(&Self::Item) -> B,</span></h4></section></summary><div class='docblock'>Returns the element that gives the maximum value from the |
| specified function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max_by" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.15.0">1.15.0</span><a href="#method.max_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">max_by</a><F>(self, compare: F) -> Option<Self::Item><span class="where fmt-newline">where<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Returns the element that gives the maximum value with respect to the |
| specified comparison function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min_by_key" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.6.0">1.6.0</span><a href="#method.min_by_key" class="anchor"></a><h4 class="code-header">fn <a class="fnname">min_by_key</a><B, F>(self, f: F) -> Option<Self::Item><span class="where fmt-newline">where<br> B: Ord,<br> F: FnMut(&Self::Item) -> B,</span></h4></section></summary><div class='docblock'>Returns the element that gives the minimum value from the |
| specified function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min_by" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.15.0">1.15.0</span><a href="#method.min_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">min_by</a><F>(self, compare: F) -> Option<Self::Item><span class="where fmt-newline">where<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Returns the element that gives the minimum value with respect to the |
| specified comparison function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unzip" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.unzip" class="anchor"></a><h4 class="code-header">fn <a class="fnname">unzip</a><A, B, FromA, FromB>(self) -> (FromA, FromB)<span class="where fmt-newline">where<br> FromA: Default + Extend<A>,<br> FromB: Default + Extend<B>,<br> Self: Iterator<Item = (A, B)>,</span></h4></section></summary><div class='docblock'>Converts an iterator of pairs into a pair of containers. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.copied" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.36.0">1.36.0</span><a href="#method.copied" class="anchor"></a><h4 class="code-header">fn <a class="fnname">copied</a><'a, T>(self) -> Copied<Self><span class="where fmt-newline">where<br> T: 'a + Copy,<br> Self: Iterator<Item = &'a T>,</span></h4></section></summary><div class='docblock'>Creates an iterator which copies all of its elements. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cloned" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.0.0">1.0.0</span><a href="#method.cloned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cloned</a><'a, T>(self) -> Cloned<Self><span class="where fmt-newline">where<br> T: 'a + Clone,<br> Self: Iterator<Item = &'a T>,</span></h4></section></summary><div class='docblock'>Creates an iterator which <a href="Clone::clone"><code>clone</code></a>s all of its elements. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.array_chunks" class="method trait-impl has-srclink"><a href="#method.array_chunks" class="anchor"></a><h4 class="code-header">fn <a class="fnname">array_chunks</a><const N: usize>(self) -> ArrayChunks<Self, N></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_array_chunks</code>)</span></div></span><div class='docblock'>Returns an iterator over <code>N</code> elements of the iterator at a time. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sum" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.11.0">1.11.0</span><a href="#method.sum" class="anchor"></a><h4 class="code-header">fn <a class="fnname">sum</a><S>(self) -> S<span class="where fmt-newline">where<br> S: Sum<Self::Item>,</span></h4></section></summary><div class='docblock'>Sums the elements of an iterator. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.product" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.11.0">1.11.0</span><a href="#method.product" class="anchor"></a><h4 class="code-header">fn <a class="fnname">product</a><P>(self) -> P<span class="where fmt-newline">where<br> P: Product<Self::Item>,</span></h4></section></summary><div class='docblock'>Iterates over the entire iterator, multiplying all the elements <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cmp_by" class="method trait-impl has-srclink"><a href="#method.cmp_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">cmp_by</a><I, F>(self, other: I, cmp: F) -> Ordering<span class="where fmt-newline">where<br> I: IntoIterator,<br> F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>)</span></div></span><div class='docblock'><a href="Ord#lexicographical-comparison">Lexicographically</a> compares the elements of this [<code>Iterator</code>] with those |
| of another with respect to the specified comparison function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partial_cmp" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.partial_cmp" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp</a><I>(self, other: I) -> Option<Ordering><span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialOrd<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'><a href="Ord#lexicographical-comparison">Lexicographically</a> compares the elements of this [<code>Iterator</code>] with those |
| of another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partial_cmp_by" class="method trait-impl has-srclink"><a href="#method.partial_cmp_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">partial_cmp_by</a><I, F>(self, other: I, partial_cmp: F) -> Option<Ordering><span class="where fmt-newline">where<br> I: IntoIterator,<br> F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>)</span></div></span><div class='docblock'><a href="Ord#lexicographical-comparison">Lexicographically</a> compares the elements of this [<code>Iterator</code>] with those |
| of another with respect to the specified comparison function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.eq" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialEq<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are equal to those of |
| another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.eq_by" class="method trait-impl has-srclink"><a href="#method.eq_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">eq_by</a><I, F>(self, other: I, eq: F) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>iter_order_by</code>)</span></div></span><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are equal to those of |
| another with respect to the specified equality function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.ne" class="anchor"></a><h4 class="code-header">fn <a class="fnname">ne</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialEq<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are unequal to those of |
| another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.lt" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.lt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">lt</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialOrd<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are <a href="Ord#lexicographical-comparison">lexicographically</a> |
| less than those of another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.le" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.le" class="anchor"></a><h4 class="code-header">fn <a class="fnname">le</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialOrd<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are <a href="Ord#lexicographical-comparison">lexicographically</a> |
| less or equal to those of another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.gt" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.gt" class="anchor"></a><h4 class="code-header">fn <a class="fnname">gt</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialOrd<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are <a href="Ord#lexicographical-comparison">lexicographically</a> |
| greater than those of another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.ge" class="method trait-impl has-srclink"><span class="since rightside" title="Stable since Rust version 1.5.0">1.5.0</span><a href="#method.ge" class="anchor"></a><h4 class="code-header">fn <a class="fnname">ge</a><I>(self, other: I) -> bool<span class="where fmt-newline">where<br> I: IntoIterator,<br> Self::Item: PartialOrd<<I as IntoIterator>::Item>,</span></h4></section></summary><div class='docblock'>Determines if the elements of this [<code>Iterator</code>] are <a href="Ord#lexicographical-comparison">lexicographically</a> |
| greater than or equal to those of another. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_sorted_by" class="method trait-impl has-srclink"><a href="#method.is_sorted_by" class="anchor"></a><h4 class="code-header">fn <a class="fnname">is_sorted_by</a><F>(self, compare: F) -> bool<span class="where fmt-newline">where<br> F: FnMut(&Self::Item, &Self::Item) -> Option<Ordering>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>is_sorted</code>)</span></div></span><div class='docblock'>Checks if the elements of this iterator are sorted using the given comparator function. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.is_sorted_by_key" class="method trait-impl has-srclink"><a href="#method.is_sorted_by_key" class="anchor"></a><h4 class="code-header">fn <a class="fnname">is_sorted_by_key</a><F, K>(self, f: F) -> bool<span class="where fmt-newline">where<br> F: FnMut(Self::Item) -> K,<br> K: PartialOrd<K>,</span></h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>is_sorted</code>)</span></div></span><div class='docblock'>Checks if the elements of this iterator are sorted using the given key extraction |
| function. <a>Read more</a></div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> RefUnwindSafe for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> F: RefUnwindSafe,<br> I: RefUnwindSafe,</span></h3></section><section id="impl-Send-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Send-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> Send for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> F: Send,<br> I: Send,</span></h3></section><section id="impl-Sync-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Sync-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> Sync for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> F: Sync,<br> I: Sync,</span></h3></section><section id="impl-Unpin-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Unpin-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> Unpin for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> F: Unpin,</span></h3></section><section id="impl-UnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<'a, I, F> !UnwindSafe for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Any-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T> Any for T<span class="where fmt-newline">where<br> T: 'static + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a class="fnname">type_id</a>(&self) -> TypeId</h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T> Borrow<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow</a>(&self) -> &T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T> BorrowMut<T> for T<span class="where fmt-newline">where<br> T: ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a class="fnname">borrow_mut</a>(&mut self) -> &mut T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T> From<T> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T, U> Into<U> for T<span class="where fmt-newline">where<br> U: From<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p> |
| <p>That is, this conversion is whatever the implementation of |
| <code>[From]<T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-IntoIterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-IntoIterator-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<I> IntoIterator for I<span class="where fmt-newline">where<br> I: Iterator,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Item-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Item-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Item</a> = <I as Iterator>::Item</h4></section></summary><div class='docblock'>The type of the elements being iterated over.</div></details><details class="rustdoc-toggle" open><summary><section id="associatedtype.IntoIter" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.IntoIter" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">IntoIter</a> = I</h4></section></summary><div class='docblock'>Which kind of iterator are we turning this into?</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_iter" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/90603" title="Tracking issue for const_intoiterator_identity">unstable</a></span><a href="#method.into_iter" class="anchor"></a><h4 class="code-header">fn <a class="fnname">into_iter</a>(self) -> I</h4></section></summary><div class='docblock'>Creates an iterator from a value. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Itertools-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3662">source</a><a href="#impl-Itertools-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="../trait.Itertools.html" title="trait itertools::Itertools">Itertools</a> for T<span class="where fmt-newline">where<br> T: Iterator + ?Sized,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.interleave" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#446-451">source</a><a href="#method.interleave" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.interleave" class="fnname">interleave</a><J>(self, other: J) -> <a class="struct" href="struct.Interleave.html" title="struct itertools::structs::Interleave">Interleave</a><Self, J::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Interleave.html" title="struct itertools::structs::Interleave">Interleave</a><I, J></span><code class="content"><span class="where fmt-newline">impl<I, J> Iterator for <a class="struct" href="struct.Interleave.html" title="struct itertools::structs::Interleave">Interleave</a><I, J><span class="where fmt-newline">where<br> I: Iterator,<br> J: Iterator<Item = I::Item>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> J: IntoIterator<Item = Self::Item>,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Alternate elements from two iterators until both have run out. <a href="../trait.Itertools.html#method.interleave">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.interleave_shortest" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#464-469">source</a><a href="#method.interleave_shortest" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.interleave_shortest" class="fnname">interleave_shortest</a><J>(<br> self,<br> other: J<br>) -> <a class="struct" href="struct.InterleaveShortest.html" title="struct itertools::structs::InterleaveShortest">InterleaveShortest</a><Self, J::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.InterleaveShortest.html" title="struct itertools::structs::InterleaveShortest">InterleaveShortest</a><I, J></span><code class="content"><span class="where fmt-newline">impl<I, J> Iterator for <a class="struct" href="struct.InterleaveShortest.html" title="struct itertools::structs::InterleaveShortest">InterleaveShortest</a><I, J><span class="where fmt-newline">where<br> I: Iterator,<br> J: Iterator<Item = I::Item>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> J: IntoIterator<Item = Self::Item>,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Alternate elements from two iterators until at least one of them has run |
| out. <a href="../trait.Itertools.html#method.interleave_shortest">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.intersperse" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#483-488">source</a><a href="#method.intersperse" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.intersperse" class="fnname">intersperse</a>(self, element: Self::Item) -> <a class="type" href="type.Intersperse.html" title="type itertools::structs::Intersperse">Intersperse</a><Self><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>An iterator adaptor to insert a particular value |
| between each element of the adapted iterator. <a href="../trait.Itertools.html#method.intersperse">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.intersperse_with-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#504-509">source</a><a href="#method.intersperse_with-1" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.intersperse_with" class="fnname">intersperse_with</a><F>(self, element: F) -> <a class="struct" href="struct.IntersperseWith.html" title="struct itertools::structs::IntersperseWith">IntersperseWith</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.IntersperseWith.html" title="struct itertools::structs::IntersperseWith">IntersperseWith</a><I, ElemF></span><code class="content"><span class="where fmt-newline">impl<I, ElemF> Iterator for <a class="struct" href="struct.IntersperseWith.html" title="struct itertools::structs::IntersperseWith">IntersperseWith</a><I, ElemF><span class="where fmt-newline">where<br> I: Iterator,<br> ElemF: IntersperseElement<I::Item>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut() -> Self::Item,</span></h4></section></summary><div class='docblock'>An iterator adaptor to insert a particular value created by a function |
| between each element of the adapted iterator. <a href="../trait.Itertools.html#method.intersperse_with">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.zip_longest" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#538-543">source</a><a href="#method.zip_longest" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.zip_longest" class="fnname">zip_longest</a><J>(self, other: J) -> <a class="struct" href="struct.ZipLongest.html" title="struct itertools::structs::ZipLongest">ZipLongest</a><Self, J::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ZipLongest.html" title="struct itertools::structs::ZipLongest">ZipLongest</a><T, U></span><code class="content"><span class="where fmt-newline">impl<T, U> Iterator for <a class="struct" href="struct.ZipLongest.html" title="struct itertools::structs::ZipLongest">ZipLongest</a><T, U><span class="where fmt-newline">where<br> T: Iterator,<br> U: Iterator,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = <a class="enum" href="../enum.EitherOrBoth.html" title="enum itertools::EitherOrBoth">EitherOrBoth</a><T::Item, U::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> J: IntoIterator,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Create an iterator which iterates over both this and the specified |
| iterator simultaneously, yielding pairs of two optional elements. <a href="../trait.Itertools.html#method.zip_longest">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.zip_eq" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#551-556">source</a><a href="#method.zip_eq" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.zip_eq" class="fnname">zip_eq</a><J>(self, other: J) -> <a class="struct" href="struct.ZipEq.html" title="struct itertools::structs::ZipEq">ZipEq</a><Self, J::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.ZipEq.html" title="struct itertools::structs::ZipEq">ZipEq</a><I, J></span><code class="content"><span class="where fmt-newline">impl<I, J> Iterator for <a class="struct" href="struct.ZipEq.html" title="struct itertools::structs::ZipEq">ZipEq</a><I, J><span class="where fmt-newline">where<br> I: Iterator,<br> J: Iterator,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = (I::Item, J::Item);</span></code></span></span></span></span><span class="where fmt-newline">where<br> J: IntoIterator,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Create an iterator which iterates over both this and the specified |
| iterator simultaneously, yielding pairs of elements. <a href="../trait.Itertools.html#method.zip_eq">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.batching" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#581-586">source</a><a href="#method.batching" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.batching" class="fnname">batching</a><B, F>(self, f: F) -> <a class="struct" href="struct.Batching.html" title="struct itertools::structs::Batching">Batching</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Batching.html" title="struct itertools::structs::Batching">Batching</a><I, F></span><code class="content"><span class="where fmt-newline">impl<B, F, I> Iterator for <a class="struct" href="struct.Batching.html" title="struct itertools::structs::Batching">Batching</a><I, F><span class="where fmt-newline">where<br> I: Iterator,<br> F: FnMut(&mut I) -> Option<B>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = B;</span></code></span></span></span></span><span class="where fmt-newline">where<br> F: FnMut(&mut Self) -> Option<B>,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>A “meta iterator adaptor”. Its closure receives a reference to the |
| iterator and may pick off as many elements as it likes, to produce the |
| next iterator element. <a href="../trait.Itertools.html#method.batching">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.group_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#623-629">source</a><a href="#method.group_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.group_by" class="fnname">group_by</a><K, F>(self, key: F) -> <a class="struct" href="struct.GroupBy.html" title="struct itertools::structs::GroupBy">GroupBy</a><K, Self, F><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item) -> K,<br> K: PartialEq,</span></h4></section></summary><div class='docblock'>Return an <em>iterable</em> that can group iterator elements. |
| Consecutive elements that map to the same key (“runs”), are assigned |
| to the same group. <a href="../trait.Itertools.html#method.group_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.chunks" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#659-664">source</a><a href="#method.chunks" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.chunks" class="fnname">chunks</a>(self, size: usize) -> <a class="struct" href="struct.IntoChunks.html" title="struct itertools::structs::IntoChunks">IntoChunks</a><Self><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Return an <em>iterable</em> that can chunk the iterator. <a href="../trait.Itertools.html#method.chunks">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.tuple_windows" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#699-705">source</a><a href="#method.tuple_windows" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.tuple_windows" class="fnname">tuple_windows</a><T>(self) -> <a class="struct" href="struct.TupleWindows.html" title="struct itertools::structs::TupleWindows">TupleWindows</a><Self, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.TupleWindows.html" title="struct itertools::structs::TupleWindows">TupleWindows</a><I, T></span><code class="content"><span class="where fmt-newline">impl<I, T> Iterator for <a class="struct" href="struct.TupleWindows.html" title="struct itertools::structs::TupleWindows">TupleWindows</a><I, T><span class="where fmt-newline">where<br> I: Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a> + Clone,<br> T::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = T;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a>,<br> T::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator over all contiguous windows producing tuples of |
| a specific size (up to 12). <a href="../trait.Itertools.html#method.tuple_windows">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.circular_tuple_windows" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#734-740">source</a><a href="#method.circular_tuple_windows" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.circular_tuple_windows" class="fnname">circular_tuple_windows</a><T>(self) -> <a class="struct" href="struct.CircularTupleWindows.html" title="struct itertools::structs::CircularTupleWindows">CircularTupleWindows</a><Self, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.CircularTupleWindows.html" title="struct itertools::structs::CircularTupleWindows">CircularTupleWindows</a><I, T></span><code class="content"><span class="where fmt-newline">impl<I, T> Iterator for <a class="struct" href="struct.CircularTupleWindows.html" title="struct itertools::structs::CircularTupleWindows">CircularTupleWindows</a><I, T><span class="where fmt-newline">where<br> I: Iterator<Item = T::Item> + Clone,<br> T: TupleCollect + Clone,<br> T::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = T;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + Clone + Iterator<Item = T::Item> + ExactSizeIterator,<br> T: TupleCollect + Clone,<br> T::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator over all windows, wrapping back to the first |
| elements when the window would otherwise exceed the length of the |
| iterator, producing tuples of a specific size (up to 12). <a href="../trait.Itertools.html#method.circular_tuple_windows">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.tuples" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#772-777">source</a><a href="#method.tuples" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.tuples" class="fnname">tuples</a><T>(self) -> <a class="struct" href="struct.Tuples.html" title="struct itertools::structs::Tuples">Tuples</a><Self, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Tuples.html" title="struct itertools::structs::Tuples">Tuples</a><I, T></span><code class="content"><span class="where fmt-newline">impl<I, T> Iterator for <a class="struct" href="struct.Tuples.html" title="struct itertools::structs::Tuples">Tuples</a><I, T><span class="where fmt-newline">where<br> I: Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = T;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a>,</span></h4></section></summary><div class='docblock'>Return an iterator that groups the items in tuples of a specific size |
| (up to 12). <a href="../trait.Itertools.html#method.tuples">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.tee" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#797-802">source</a><a href="#method.tee" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.tee" class="fnname">tee</a>(self) -> (<a class="struct" href="struct.Tee.html" title="struct itertools::structs::Tee">Tee</a><Self>, <a class="struct" href="struct.Tee.html" title="struct itertools::structs::Tee">Tee</a><Self>)<span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>Split into an iterator pair that both yield all elements from |
| the original iterator. <a href="../trait.Itertools.html#method.tee">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.step" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#822-826">source</a><a href="#method.step" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.step" class="fnname">step</a>(self, n: usize) -> <a class="struct" href="struct.Step.html" title="struct itertools::structs::Step">Step</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Step.html" title="struct itertools::structs::Step">Step</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.Step.html" title="struct itertools::structs::Step">Step</a><I><span class="where fmt-newline">where<br> I: Iterator,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.8.0: Use std .step_by() instead</span></div></span><div class='docblock'>Return an iterator adaptor that steps <code>n</code> elements in the base iterator |
| for each iteration. <a href="../trait.Itertools.html#method.step">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#835-840">source</a><a href="#method.map_into" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.map_into" class="fnname">map_into</a><R>(self) -> <a class="type" href="type.MapInto.html" title="type itertools::structs::MapInto">MapInto</a><Self, R><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Into<R>,</span></h4></section></summary><div class='docblock'>Convert each item of the iterator using the [<code>Into</code>] trait. <a href="../trait.Itertools.html#method.map_into">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_results" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#844-849">source</a><a href="#method.map_results" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.map_results" class="fnname">map_results</a><F, T, U, E>(self, f: F) -> <a class="type" href="type.MapOk.html" title="type itertools::structs::MapOk">MapOk</a><Self, F><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> F: FnMut(T) -> U,</span></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.10.0: Use .map_ok() instead</span></div></span><div class='docblock'>See <a href="../trait.Itertools.html#method.map_ok"><code>.map_ok()</code></a>.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.map_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#862-867">source</a><a href="#method.map_ok" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.map_ok" class="fnname">map_ok</a><F, T, U, E>(self, f: F) -> <a class="type" href="type.MapOk.html" title="type itertools::structs::MapOk">MapOk</a><Self, F><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> F: FnMut(T) -> U,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that applies the provided closure |
| to every <code>Result::Ok</code> value. <code>Result::Err</code> values are |
| unchanged. <a href="../trait.Itertools.html#method.map_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.filter_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#880-885">source</a><a href="#method.filter_ok" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.filter_ok" class="fnname">filter_ok</a><F, T, E>(self, f: F) -> <a class="struct" href="struct.FilterOk.html" title="struct itertools::structs::FilterOk">FilterOk</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.FilterOk.html" title="struct itertools::structs::FilterOk">FilterOk</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F, T, E> Iterator for <a class="struct" href="struct.FilterOk.html" title="struct itertools::structs::FilterOk">FilterOk</a><I, F><span class="where fmt-newline">where<br> I: Iterator<Item = Result<T, E>>,<br> F: FnMut(&T) -> bool,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Result<T, E>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> F: FnMut(&T) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that filters every <code>Result::Ok</code> |
| value with the provided closure. <code>Result::Err</code> values are |
| unchanged. <a href="../trait.Itertools.html#method.filter_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.filter_map_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#898-903">source</a><a href="#method.filter_map_ok" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.filter_map_ok" class="fnname">filter_map_ok</a><F, T, U, E>(self, f: F) -> <a class="struct" href="struct.FilterMapOk.html" title="struct itertools::structs::FilterMapOk">FilterMapOk</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.FilterMapOk.html" title="struct itertools::structs::FilterMapOk">FilterMapOk</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F, T, U, E> Iterator for <a class="struct" href="struct.FilterMapOk.html" title="struct itertools::structs::FilterMapOk">FilterMapOk</a><I, F><span class="where fmt-newline">where<br> I: Iterator<Item = Result<T, E>>,<br> F: FnMut(T) -> Option<U>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Result<U, E>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> F: FnMut(T) -> Option<U>,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that filters and transforms every |
| <code>Result::Ok</code> value with the provided closure. <code>Result::Err</code> |
| values are unchanged. <a href="../trait.Itertools.html#method.filter_map_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.flatten_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#922-927">source</a><a href="#method.flatten_ok" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.flatten_ok" class="fnname">flatten_ok</a><T, E>(self) -> <a class="struct" href="struct.FlattenOk.html" title="struct itertools::structs::FlattenOk">FlattenOk</a><Self, T, E><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.FlattenOk.html" title="struct itertools::structs::FlattenOk">FlattenOk</a><I, T, E></span><code class="content"><span class="where fmt-newline">impl<I, T, E> Iterator for <a class="struct" href="struct.FlattenOk.html" title="struct itertools::structs::FlattenOk">FlattenOk</a><I, T, E><span class="where fmt-newline">where<br> I: Iterator<Item = Result<T, E>>,<br> T: IntoIterator,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Result<T::Item, E>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> T: IntoIterator,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that flattens every <code>Result::Ok</code> value into |
| a series of <code>Result::Ok</code> values. <code>Result::Err</code> values are unchanged. <a href="../trait.Itertools.html#method.flatten_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.merge" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#943-949">source</a><a href="#method.merge" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.merge" class="fnname">merge</a><J>(self, other: J) -> <a class="type" href="type.Merge.html" title="type itertools::structs::Merge">Merge</a><Self, J::IntoIter><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: PartialOrd,<br> J: IntoIterator<Item = Self::Item>,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that merges the two base iterators in |
| ascending order. If both base iterators are sorted (ascending), the |
| result is sorted. <a href="../trait.Itertools.html#method.merge">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.merge_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#967-973">source</a><a href="#method.merge_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.merge_by" class="fnname">merge_by</a><J, F>(self, other: J, is_first: F) -> <a class="struct" href="struct.MergeBy.html" title="struct itertools::structs::MergeBy">MergeBy</a><Self, J::IntoIter, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.MergeBy.html" title="struct itertools::structs::MergeBy">MergeBy</a><I, J, F></span><code class="content"><span class="where fmt-newline">impl<I, J, F> Iterator for <a class="struct" href="struct.MergeBy.html" title="struct itertools::structs::MergeBy">MergeBy</a><I, J, F><span class="where fmt-newline">where<br> I: Iterator,<br> J: Iterator<Item = I::Item>,<br> F: MergePredicate<I::Item>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> J: IntoIterator<Item = Self::Item>,<br> F: FnMut(&Self::Item, &Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that merges the two base iterators in order. |
| This is much like <a href="../trait.Itertools.html#method.merge"><code>.merge()</code></a> but allows for a custom ordering. <a href="../trait.Itertools.html#method.merge_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.merge_join_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1003-1009">source</a><a href="#method.merge_join_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.merge_join_by" class="fnname">merge_join_by</a><J, F>(<br> self,<br> other: J,<br> cmp_fn: F<br>) -> <a class="struct" href="struct.MergeJoinBy.html" title="struct itertools::structs::MergeJoinBy">MergeJoinBy</a><Self, J::IntoIter, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.MergeJoinBy.html" title="struct itertools::structs::MergeJoinBy">MergeJoinBy</a><I, J, F></span><code class="content"><span class="where fmt-newline">impl<I, J, F> Iterator for <a class="struct" href="struct.MergeJoinBy.html" title="struct itertools::structs::MergeJoinBy">MergeJoinBy</a><I, J, F><span class="where fmt-newline">where<br> I: Iterator,<br> J: Iterator,<br> F: FnMut(&I::Item, &J::Item) -> Ordering,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = <a class="enum" href="../enum.EitherOrBoth.html" title="enum itertools::EitherOrBoth">EitherOrBoth</a><I::Item, J::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> J: IntoIterator,<br> F: FnMut(&Self::Item, &J::Item) -> Ordering,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Create an iterator that merges items from both this and the specified |
| iterator in ascending order. <a href="../trait.Itertools.html#method.merge_join_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.kmerge" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1028-1034">source</a><a href="#method.kmerge" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.kmerge" class="fnname">kmerge</a>(self) -> <a class="type" href="type.KMerge.html" title="type itertools::structs::KMerge">KMerge</a><<Self::Item as IntoIterator>::IntoIter><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: IntoIterator,<br> <Self::Item as IntoIterator>::Item: PartialOrd,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that flattens an iterator of iterators by |
| merging them in ascending order. <a href="../trait.Itertools.html#method.kmerge">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.kmerge_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1057-1065">source</a><a href="#method.kmerge_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.kmerge_by" class="fnname">kmerge_by</a><F>(<br> self,<br> first: F<br>) -> <a class="struct" href="struct.KMergeBy.html" title="struct itertools::structs::KMergeBy">KMergeBy</a><<Self::Item as IntoIterator>::IntoIter, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.KMergeBy.html" title="struct itertools::structs::KMergeBy">KMergeBy</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F> Iterator for <a class="struct" href="struct.KMergeBy.html" title="struct itertools::structs::KMergeBy">KMergeBy</a><I, F><span class="where fmt-newline">where<br> I: Iterator,<br> F: KMergePredicate<I::Item>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: IntoIterator,<br> F: FnMut(&<Self::Item as IntoIterator>::Item, &<Self::Item as IntoIterator>::Item) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that flattens an iterator of iterators by |
| merging them according to the given closure. <a href="../trait.Itertools.html#method.kmerge_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.cartesian_product" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1078-1085">source</a><a href="#method.cartesian_product" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.cartesian_product" class="fnname">cartesian_product</a><J>(self, other: J) -> <a class="struct" href="struct.Product.html" title="struct itertools::structs::Product">Product</a><Self, J::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Product.html" title="struct itertools::structs::Product">Product</a><I, J></span><code class="content"><span class="where fmt-newline">impl<I, J> Iterator for <a class="struct" href="struct.Product.html" title="struct itertools::structs::Product">Product</a><I, J><span class="where fmt-newline">where<br> I: Iterator,<br> J: Clone + Iterator,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = (I::Item, J::Item);</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,<br> J: IntoIterator,<br> J::IntoIter: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that iterates over the cartesian product of |
| the element sets of two iterators <code>self</code> and <code>J</code>. <a href="../trait.Itertools.html#method.cartesian_product">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.multi_cartesian_product" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1113-1120">source</a><a href="#method.multi_cartesian_product" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.multi_cartesian_product" class="fnname">multi_cartesian_product</a>(<br> self<br>) -> <a class="struct" href="struct.MultiProduct.html" title="struct itertools::structs::MultiProduct">MultiProduct</a><<Self::Item as IntoIterator>::IntoIter><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.MultiProduct.html" title="struct itertools::structs::MultiProduct">MultiProduct</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.MultiProduct.html" title="struct itertools::structs::MultiProduct">MultiProduct</a><I><span class="where fmt-newline">where<br> I: Iterator + Clone,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Vec<I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: IntoIterator,<br> <Self::Item as IntoIterator>::IntoIter: Clone,<br> <Self::Item as IntoIterator>::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that iterates over the cartesian product of |
| all subiterators returned by meta-iterator <code>self</code>. <a href="../trait.Itertools.html#method.multi_cartesian_product">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.coalesce" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1150-1156">source</a><a href="#method.coalesce" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.coalesce" class="fnname">coalesce</a><F>(self, f: F) -> <a class="type" href="type.Coalesce.html" title="type itertools::structs::Coalesce">Coalesce</a><Self, F><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(Self::Item, Self::Item) -> Result<Self::Item, (Self::Item, Self::Item)>,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that uses the passed-in closure to |
| optionally merge together consecutive elements. <a href="../trait.Itertools.html#method.coalesce">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dedup" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1172-1177">source</a><a href="#method.dedup" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dedup" class="fnname">dedup</a>(self) -> <a class="type" href="type.Dedup.html" title="type itertools::structs::Dedup">Dedup</a><Self><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: PartialEq,</span></h4></section></summary><div class='docblock'>Remove duplicates from sections of consecutive identical elements. |
| If the iterator is sorted, all elements will be unique. <a href="../trait.Itertools.html#method.dedup">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dedup_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1194-1199">source</a><a href="#method.dedup_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dedup_by" class="fnname">dedup_by</a><Cmp>(self, cmp: Cmp) -> <a class="type" href="type.DedupBy.html" title="type itertools::structs::DedupBy">DedupBy</a><Self, Cmp><span class="where fmt-newline">where<br> Self: Sized,<br> Cmp: FnMut(&Self::Item, &Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Remove duplicates from sections of consecutive identical elements, |
| determining equality using a comparison function. |
| If the iterator is sorted, all elements will be unique. <a href="../trait.Itertools.html#method.dedup_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dedup_with_count" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1216-1221">source</a><a href="#method.dedup_with_count" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dedup_with_count" class="fnname">dedup_with_count</a>(self) -> <a class="type" href="type.DedupWithCount.html" title="type itertools::structs::DedupWithCount">DedupWithCount</a><Self><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Remove duplicates from sections of consecutive identical elements, while keeping a count of |
| how many repeated elements were present. |
| If the iterator is sorted, all elements will be unique. <a href="../trait.Itertools.html#method.dedup_with_count">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dedup_by_with_count" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1239-1245">source</a><a href="#method.dedup_by_with_count" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dedup_by_with_count" class="fnname">dedup_by_with_count</a><Cmp>(self, cmp: Cmp) -> <a class="type" href="type.DedupByWithCount.html" title="type itertools::structs::DedupByWithCount">DedupByWithCount</a><Self, Cmp><span class="where fmt-newline">where<br> Self: Sized,<br> Cmp: FnMut(&Self::Item, &Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Remove duplicates from sections of consecutive identical elements, while keeping a count of |
| how many repeated elements were present. |
| This will determine equality using a comparison function. |
| If the iterator is sorted, all elements will be unique. <a href="../trait.Itertools.html#method.dedup_by_with_count">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.duplicates" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1262-1267">source</a><a href="#method.duplicates" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.duplicates" class="fnname">duplicates</a>(self) -> <a class="type" href="type.Duplicates.html" title="type itertools::structs::Duplicates">Duplicates</a><Self><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Eq + Hash,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that produces elements that appear more than once during the |
| iteration. Duplicates are detected using hash and equality. <a href="../trait.Itertools.html#method.duplicates">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.duplicates_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1287-1293">source</a><a href="#method.duplicates_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.duplicates_by" class="fnname">duplicates_by</a><V, F>(self, f: F) -> <a class="type" href="type.DuplicatesBy.html" title="type itertools::structs::DuplicatesBy">DuplicatesBy</a><Self, V, F><span class="where fmt-newline">where<br> Self: Sized,<br> V: Eq + Hash,<br> F: FnMut(&Self::Item) -> V,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that produces elements that appear more than once during the |
| iteration. Duplicates are detected using hash and equality. <a href="../trait.Itertools.html#method.duplicates_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unique" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1314-1319">source</a><a href="#method.unique" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.unique" class="fnname">unique</a>(self) -> <a class="struct" href="struct.Unique.html" title="struct itertools::structs::Unique">Unique</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Unique.html" title="struct itertools::structs::Unique">Unique</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.Unique.html" title="struct itertools::structs::Unique">Unique</a><I><span class="where fmt-newline">where<br> I: Iterator,<br> I::Item: Eq + Hash + Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone + Eq + Hash,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that filters out elements that have |
| already been produced once during the iteration. Duplicates |
| are detected using hash and equality. <a href="../trait.Itertools.html#method.unique">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.unique_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1340-1346">source</a><a href="#method.unique_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.unique_by" class="fnname">unique_by</a><V, F>(self, f: F) -> <a class="struct" href="struct.UniqueBy.html" title="struct itertools::structs::UniqueBy">UniqueBy</a><Self, V, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.UniqueBy.html" title="struct itertools::structs::UniqueBy">UniqueBy</a><I, V, F></span><code class="content"><span class="where fmt-newline">impl<I, V, F> Iterator for <a class="struct" href="struct.UniqueBy.html" title="struct itertools::structs::UniqueBy">UniqueBy</a><I, V, F><span class="where fmt-newline">where<br> I: Iterator,<br> V: Eq + Hash,<br> F: FnMut(&I::Item) -> V,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> V: Eq + Hash,<br> F: FnMut(&Self::Item) -> V,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that filters out elements that have |
| already been produced once during the iteration. <a href="../trait.Itertools.html#method.unique_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.peeking_take_while" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1360-1365">source</a><a href="#method.peeking_take_while" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.peeking_take_while" class="fnname">peeking_take_while</a><F>(&mut self, accept: F) -> <a class="struct" href="struct.PeekingTakeWhile.html" title="struct itertools::structs::PeekingTakeWhile">PeekingTakeWhile</a><'_, Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.PeekingTakeWhile.html" title="struct itertools::structs::PeekingTakeWhile">PeekingTakeWhile</a><'a, I, F></span><code class="content"><span class="where fmt-newline">impl<'a, I, F> Iterator for <a class="struct" href="struct.PeekingTakeWhile.html" title="struct itertools::structs::PeekingTakeWhile">PeekingTakeWhile</a><'a, I, F><span class="where fmt-newline">where<br> I: <a class="trait" href="../trait.PeekingNext.html" title="trait itertools::PeekingNext">PeekingNext</a>,<br> F: FnMut(&I::Item) -> bool,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + <a class="trait" href="../trait.PeekingNext.html" title="trait itertools::PeekingNext">PeekingNext</a>,<br> F: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that borrows from this iterator and |
| takes items while the closure <code>accept</code> returns <code>true</code>. <a href="../trait.Itertools.html#method.peeking_take_while">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.take_while_ref" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1385-1390">source</a><a href="#method.take_while_ref" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.take_while_ref" class="fnname">take_while_ref</a><F>(&mut self, accept: F) -> <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'_, Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F></span><code class="content"><span class="where fmt-newline">impl<'a, I, F> Iterator for <a class="struct" href="struct.TakeWhileRef.html" title="struct itertools::structs::TakeWhileRef">TakeWhileRef</a><'a, I, F><span class="where fmt-newline">where<br> I: Iterator + Clone,<br> F: FnMut(&I::Item) -> bool,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Clone,<br> F: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that borrows from a <code>Clone</code>-able iterator |
| to only pick off elements while the predicate <code>accept</code> returns <code>true</code>. <a href="../trait.Itertools.html#method.take_while_ref">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.while_some" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1406-1410">source</a><a href="#method.while_some" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.while_some" class="fnname">while_some</a><A>(self) -> <a class="struct" href="struct.WhileSome.html" title="struct itertools::structs::WhileSome">WhileSome</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.WhileSome.html" title="struct itertools::structs::WhileSome">WhileSome</a><I></span><code class="content"><span class="where fmt-newline">impl<I, A> Iterator for <a class="struct" href="struct.WhileSome.html" title="struct itertools::structs::WhileSome">WhileSome</a><I><span class="where fmt-newline">where<br> I: Iterator<Item = Option<A>>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = A;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = Option<A>>,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that filters <code>Option<A></code> iterator elements |
| and produces <code>A</code>. Stops on the first <code>None</code> encountered. <a href="../trait.Itertools.html#method.while_some">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.tuple_combinations" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1445-1451">source</a><a href="#method.tuple_combinations" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.tuple_combinations" class="fnname">tuple_combinations</a><T>(self) -> <a class="struct" href="struct.TupleCombinations.html" title="struct itertools::structs::TupleCombinations">TupleCombinations</a><Self, T><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.TupleCombinations.html" title="struct itertools::structs::TupleCombinations">TupleCombinations</a><I, T></span><code class="content"><span class="where fmt-newline">impl<I, T> Iterator for <a class="struct" href="struct.TupleCombinations.html" title="struct itertools::structs::TupleCombinations">TupleCombinations</a><I, T><span class="where fmt-newline">where<br> I: Iterator,<br> T: HasCombination<I>,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = T;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized + Clone,<br> Self::Item: Clone,<br> T: HasCombination<Self>,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that iterates over the combinations of the |
| elements from an iterator. <a href="../trait.Itertools.html#method.tuple_combinations">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.combinations" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1483-1488">source</a><a href="#method.combinations" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.combinations" class="fnname">combinations</a>(self, k: usize) -> <a class="struct" href="struct.Combinations.html" title="struct itertools::structs::Combinations">Combinations</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Combinations.html" title="struct itertools::structs::Combinations">Combinations</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.Combinations.html" title="struct itertools::structs::Combinations">Combinations</a><I><span class="where fmt-newline">where<br> I: Iterator,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Vec<I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that iterates over the <code>k</code>-length combinations of |
| the elements from an iterator. <a href="../trait.Itertools.html#method.combinations">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.combinations_with_replacement" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1510-1516">source</a><a href="#method.combinations_with_replacement" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.combinations_with_replacement" class="fnname">combinations_with_replacement</a>(<br> self,<br> k: usize<br>) -> <a class="struct" href="struct.CombinationsWithReplacement.html" title="struct itertools::structs::CombinationsWithReplacement">CombinationsWithReplacement</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.CombinationsWithReplacement.html" title="struct itertools::structs::CombinationsWithReplacement">CombinationsWithReplacement</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.CombinationsWithReplacement.html" title="struct itertools::structs::CombinationsWithReplacement">CombinationsWithReplacement</a><I><span class="where fmt-newline">where<br> I: Iterator,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Vec<I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator that iterates over the <code>k</code>-length combinations of |
| the elements from an iterator, with replacement. <a href="../trait.Itertools.html#method.combinations_with_replacement">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.permutations" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1556-1561">source</a><a href="#method.permutations" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.permutations" class="fnname">permutations</a>(self, k: usize) -> <a class="struct" href="struct.Permutations.html" title="struct itertools::structs::Permutations">Permutations</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Permutations.html" title="struct itertools::structs::Permutations">Permutations</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.Permutations.html" title="struct itertools::structs::Permutations">Permutations</a><I><span class="where fmt-newline">where<br> I: Iterator,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Vec<I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that iterates over all k-permutations of the |
| elements from an iterator. <a href="../trait.Itertools.html#method.permutations">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.powerset" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1592-1597">source</a><a href="#method.powerset" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.powerset" class="fnname">powerset</a>(self) -> <a class="struct" href="struct.Powerset.html" title="struct itertools::structs::Powerset">Powerset</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Powerset.html" title="struct itertools::structs::Powerset">Powerset</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.Powerset.html" title="struct itertools::structs::Powerset">Powerset</a><I><span class="where fmt-newline">where<br> I: Iterator,<br> I::Item: Clone,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = Vec<I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Clone,</span></h4></section></summary><div class='docblock'>Return an iterator that iterates through the powerset of the elements from an |
| iterator. <a href="../trait.Itertools.html#method.powerset">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.pad_using" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1616-1621">source</a><a href="#method.pad_using" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.pad_using" class="fnname">pad_using</a><F>(self, min: usize, f: F) -> <a class="struct" href="struct.PadUsing.html" title="struct itertools::structs::PadUsing">PadUsing</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.PadUsing.html" title="struct itertools::structs::PadUsing">PadUsing</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F> Iterator for <a class="struct" href="struct.PadUsing.html" title="struct itertools::structs::PadUsing">PadUsing</a><I, F><span class="where fmt-newline">where<br> I: Iterator,<br> F: FnMut(usize) -> I::Item,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(usize) -> Self::Item,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that pads the sequence to a minimum length of |
| <code>min</code> by filling missing elements using a closure <code>f</code>. <a href="../trait.Itertools.html#method.pad_using">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.with_position" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1642-1646">source</a><a href="#method.with_position" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.with_position" class="fnname">with_position</a>(self) -> <a class="struct" href="struct.WithPosition.html" title="struct itertools::structs::WithPosition">WithPosition</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.WithPosition.html" title="struct itertools::structs::WithPosition">WithPosition</a><I></span><code class="content"><span class="where fmt-newline">impl<I: Iterator> Iterator for <a class="struct" href="struct.WithPosition.html" title="struct itertools::structs::WithPosition">WithPosition</a><I></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = <a class="enum" href="../enum.Position.html" title="enum itertools::Position">Position</a><I::Item>;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that wraps each element in a <code>Position</code> to |
| ease special-case handling of the first or last elements. <a href="../trait.Itertools.html#method.with_position">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.positions" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1661-1666">source</a><a href="#method.positions" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.positions" class="fnname">positions</a><P>(self, predicate: P) -> <a class="struct" href="struct.Positions.html" title="struct itertools::structs::Positions">Positions</a><Self, P><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Positions.html" title="struct itertools::structs::Positions">Positions</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F> Iterator for <a class="struct" href="struct.Positions.html" title="struct itertools::structs::Positions">Positions</a><I, F><span class="where fmt-newline">where<br> I: Iterator,<br> F: FnMut(I::Item) -> bool,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = usize;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> P: FnMut(Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that yields the indices of all elements |
| satisfying a predicate, counted from the start of the iterator. <a href="../trait.Itertools.html#method.positions">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.update" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1678-1683">source</a><a href="#method.update" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.update" class="fnname">update</a><F>(self, updater: F) -> <a class="struct" href="struct.Update.html" title="struct itertools::structs::Update">Update</a><Self, F><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.Update.html" title="struct itertools::structs::Update">Update</a><I, F></span><code class="content"><span class="where fmt-newline">impl<I, F> Iterator for <a class="struct" href="struct.Update.html" title="struct itertools::structs::Update">Update</a><I, F><span class="where fmt-newline">where<br> I: Iterator,<br> F: FnMut(&mut I::Item),</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&mut Self::Item),</span></h4></section></summary><div class='docblock'>Return an iterator adaptor that applies a mutating function |
| to each element before yielding it. <a href="../trait.Itertools.html#method.update">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.next_tuple" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1699-1704">source</a><a href="#method.next_tuple" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.next_tuple" class="fnname">next_tuple</a><T>(&mut self) -> Option<T><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a>,</span></h4></section></summary><div class='docblock'>Advances the iterator and returns the next items grouped in a tuple of |
| a specific size (up to 12). <a href="../trait.Itertools.html#method.next_tuple">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.collect_tuple" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1724-1735">source</a><a href="#method.collect_tuple" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.collect_tuple" class="fnname">collect_tuple</a><T>(self) -> Option<T><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = T::Item>,<br> T: <a class="trait" href="../traits/trait.HomogeneousTuple.html" title="trait itertools::traits::HomogeneousTuple">HomogeneousTuple</a>,</span></h4></section></summary><div class='docblock'>Collects all items from the iterator into a tuple of a specific size |
| (up to 12). <a href="../trait.Itertools.html#method.collect_tuple">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_position" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1748-1757">source</a><a href="#method.find_position" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.find_position" class="fnname">find_position</a><P>(&mut self, pred: P) -> Option<(usize, Self::Item)><span class="where fmt-newline">where<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Find the position and value of the first element satisfying a predicate. <a href="../trait.Itertools.html#method.find_position">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_or_last" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1770-1777">source</a><a href="#method.find_or_last" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.find_or_last" class="fnname">find_or_last</a><P>(self, predicate: P) -> Option<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Find the value of the first element satisfying a predicate or return the last element, if any. <a href="../trait.Itertools.html#method.find_or_last">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.find_or_first" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1790-1800">source</a><a href="#method.find_or_first" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.find_or_first" class="fnname">find_or_first</a><P>(self, predicate: P) -> Option<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> P: FnMut(&Self::Item) -> bool,</span></h4></section></summary><div class='docblock'>Find the value of the first element satisfying a predicate or return the first element, if any. <a href="../trait.Itertools.html#method.find_or_first">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.contains" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1826-1833">source</a><a href="#method.contains" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.contains" class="fnname">contains</a><Q>(&mut self, query: &Q) -> bool<span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Borrow<Q>,<br> Q: PartialEq,</span></h4></section></summary><div class='docblock'>Returns <code>true</code> if the given item is present in this iterator. <a href="../trait.Itertools.html#method.contains">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.all_equal" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1851-1859">source</a><a href="#method.all_equal" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.all_equal" class="fnname">all_equal</a>(&mut self) -> bool<span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: PartialEq,</span></h4></section></summary><div class='docblock'>Check whether all elements compare equal. <a href="../trait.Itertools.html#method.all_equal">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.all_unique" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1877-1883">source</a><a href="#method.all_unique" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.all_unique" class="fnname">all_unique</a>(&mut self) -> bool<span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Eq + Hash,</span></h4></section></summary><div class='docblock'>Check whether all elements are unique (non equal). <a href="../trait.Itertools.html#method.all_unique">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dropping" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1900-1907">source</a><a href="#method.dropping" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dropping" class="fnname">dropping</a>(self, n: usize) -> Self<span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Consume the first <code>n</code> elements from the iterator eagerly, |
| and return the same iterator again. <a href="../trait.Itertools.html#method.dropping">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.dropping_back" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1924-1932">source</a><a href="#method.dropping_back" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.dropping_back" class="fnname">dropping_back</a>(self, n: usize) -> Self<span class="where fmt-newline">where<br> Self: Sized,<br> Self: DoubleEndedIterator,</span></h4></section></summary><div class='docblock'>Consume the last <code>n</code> elements from the iterator eagerly, |
| and return the same iterator again. <a href="../trait.Itertools.html#method.dropping_back">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.foreach" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1952-1957">source</a><a href="#method.foreach" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.foreach" class="fnname">foreach</a><F>(self, f: F)<span class="where fmt-newline">where<br> F: FnMut(Self::Item),<br> Self: Sized,</span></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.8.0: Use .for_each() instead</span></div></span><div class='docblock'>Run the closure <code>f</code> eagerly on each element of the iterator. <a href="../trait.Itertools.html#method.foreach">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.concat" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1972-1977">source</a><a href="#method.concat" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.concat" class="fnname">concat</a>(self) -> Self::Item<span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Extend<<<Self as Iterator>::Item as IntoIterator>::Item> + IntoIterator + Default,</span></h4></section></summary><div class='docblock'>Combine all an iterator’s elements into one element by using [<code>Extend</code>]. <a href="../trait.Itertools.html#method.concat">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.collect_vec" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#1982-1986">source</a><a href="#method.collect_vec" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.collect_vec" class="fnname">collect_vec</a>(self) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'><code>.collect_vec()</code> is simply a type specialization of [<code>Iterator::collect</code>], |
| for convenience. <a href="../trait.Itertools.html#method.collect_vec">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_collect" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2009-2015">source</a><a href="#method.try_collect" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.try_collect" class="fnname">try_collect</a><T, U, E>(self) -> Result<U, E><span class="where fmt-newline">where<br> Self: Sized + Iterator<Item = Result<T, E>>,<br> Result<U, E>: FromIterator<Result<T, E>>,</span></h4></section></summary><div class='docblock'><code>.try_collect()</code> is more convenient way of writing |
| <code>.collect::<Result<_, _>>()</code> <a href="../trait.Itertools.html#method.try_collect">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.set_from" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2033-2046">source</a><a href="#method.set_from" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.set_from" class="fnname">set_from</a><'a, A: 'a, J>(&mut self, from: J) -> usize<span class="where fmt-newline">where<br> Self: Iterator<Item = &'a mut A>,<br> J: IntoIterator<Item = A>,</span></h4></section></summary><div class='docblock'>Assign to each reference in <code>self</code> from the <code>from</code> iterator, |
| stopping at the shortest of the two iterators. <a href="../trait.Itertools.html#method.set_from">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.join" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2059-2076">source</a><a href="#method.join" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.join" class="fnname">join</a>(&mut self, sep: &str) -> String<span class="where fmt-newline">where<br> Self::Item: Display,</span></h4></section></summary><div class='docblock'>Combine all iterator elements into one String, separated by <code>sep</code>. <a href="../trait.Itertools.html#method.join">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.format" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2093-2097">source</a><a href="#method.format" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.format" class="fnname">format</a>(self, sep: &str) -> <a class="struct" href="struct.Format.html" title="struct itertools::structs::Format">Format</a><'_, Self><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Format all iterator elements, separated by <code>sep</code>. <a href="../trait.Itertools.html#method.format">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.format_with" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2131-2136">source</a><a href="#method.format_with" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.format_with" class="fnname">format_with</a><F>(self, sep: &str, format: F) -> <a class="struct" href="struct.FormatWith.html" title="struct itertools::structs::FormatWith">FormatWith</a><'_, Self, F><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(Self::Item, &mut dyn FnMut(&dyn Display) -> Result) -> Result,</span></h4></section></summary><div class='docblock'>Format all iterator elements, separated by <code>sep</code>. <a href="../trait.Itertools.html#method.format_with">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold_results" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2140-2145">source</a><a href="#method.fold_results" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.fold_results" class="fnname">fold_results</a><A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<A, E>>,<br> F: FnMut(B, A) -> B,</span></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.10.0: Use .fold_ok() instead</span></div></span><div class='docblock'>See <a href="../trait.Itertools.html#method.fold_ok"><code>.fold_ok()</code></a>.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold_ok" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2189-2200">source</a><a href="#method.fold_ok" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.fold_ok" class="fnname">fold_ok</a><A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E><span class="where fmt-newline">where<br> Self: Iterator<Item = Result<A, E>>,<br> F: FnMut(B, A) -> B,</span></h4></section></summary><div class='docblock'>Fold <code>Result</code> values from an iterator. <a href="../trait.Itertools.html#method.fold_ok">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold_options" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2221-2232">source</a><a href="#method.fold_options" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.fold_options" class="fnname">fold_options</a><A, B, F>(&mut self, start: B, f: F) -> Option<B><span class="where fmt-newline">where<br> Self: Iterator<Item = Option<A>>,<br> F: FnMut(B, A) -> B,</span></h4></section></summary><div class='docblock'>Fold <code>Option</code> values from an iterator. <a href="../trait.Itertools.html#method.fold_options">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2247-2252">source</a><a href="#method.fold1" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.fold1" class="fnname">fold1</a><F>(self, f: F) -> Option<Self::Item><span class="where fmt-newline">where<br> F: FnMut(Self::Item, Self::Item) -> Self::Item,<br> Self: Sized,</span></h4></section></summary><span class="item-info"><div class="stab deprecated"><span class="emoji">👎</span><span>Deprecated since 0.10.2: Use <code>Iterator::reduce</code> instead</span></div></span><div class='docblock'>Accumulator of the elements in the iterator. <a href="../trait.Itertools.html#method.fold1">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.tree_fold1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2302-2359">source</a><a href="#method.tree_fold1" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.tree_fold1" class="fnname">tree_fold1</a><F>(self, f: F) -> Option<Self::Item><span class="where fmt-newline">where<br> F: FnMut(Self::Item, Self::Item) -> Self::Item,<br> Self: Sized,</span></h4></section></summary><div class='docblock'>Accumulate the elements in the iterator in a tree-like manner. <a href="../trait.Itertools.html#method.tree_fold1">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fold_while" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2400-2420">source</a><a href="#method.fold_while" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.fold_while" class="fnname">fold_while</a><B, F>(&mut self, init: B, f: F) -> <a class="enum" href="../enum.FoldWhile.html" title="enum itertools::FoldWhile">FoldWhile</a><B><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(B, Self::Item) -> <a class="enum" href="../enum.FoldWhile.html" title="enum itertools::FoldWhile">FoldWhile</a><B>,</span></h4></section></summary><div class='docblock'>An iterator method that applies a function, producing a single, final value. <a href="../trait.Itertools.html#method.fold_while">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sum1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2443-2449">source</a><a href="#method.sum1" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sum1" class="fnname">sum1</a><S>(self) -> Option<S><span class="where fmt-newline">where<br> Self: Sized,<br> S: Sum<Self::Item>,</span></h4></section></summary><div class='docblock'>Iterate over the entire iterator and add all the elements. <a href="../trait.Itertools.html#method.sum1">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.product1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2471-2477">source</a><a href="#method.product1" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.product1" class="fnname">product1</a><P>(self) -> Option<P><span class="where fmt-newline">where<br> Self: Sized,<br> P: Product<Self::Item>,</span></h4></section></summary><div class='docblock'>Iterate over the entire iterator and multiply all the elements. <a href="../trait.Itertools.html#method.product1">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_unstable" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2497-2506">source</a><a href="#method.sorted_unstable" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_unstable" class="fnname">sorted_unstable</a>(self) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted_unstable">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_unstable_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2532-2539">source</a><a href="#method.sorted_unstable_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_unstable_by" class="fnname">sorted_unstable_by</a><F>(self, cmp: F) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted_unstable_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_unstable_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2565-2573">source</a><a href="#method.sorted_unstable_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_unstable_by_key" class="fnname">sorted_unstable_by_key</a><K, F>(self, f: F) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted_unstable_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2593-2602">source</a><a href="#method.sorted" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted" class="fnname">sorted</a>(self) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2628-2635">source</a><a href="#method.sorted_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_by" class="fnname">sorted_by</a><F>(self, cmp: F) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2661-2669">source</a><a href="#method.sorted_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_by_key" class="fnname">sorted_by_key</a><K, F>(self, f: F) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. <a href="../trait.Itertools.html#method.sorted_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.sorted_by_cached_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2696-2705">source</a><a href="#method.sorted_by_cached_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.sorted_by_cached_key" class="fnname">sorted_by_cached_key</a><K, F>(self, f: F) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Sort all iterator elements into a new iterator in ascending order. The key function is |
| called exactly once per key. <a href="../trait.Itertools.html#method.sorted_by_cached_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.k_smallest" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2735-2742">source</a><a href="#method.k_smallest" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.k_smallest" class="fnname">k_smallest</a>(self, k: usize) -> IntoIter<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Sort the k smallest elements into a new iterator, in ascending order. <a href="../trait.Itertools.html#method.k_smallest">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partition_map" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2765-2780">source</a><a href="#method.partition_map" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.partition_map" class="fnname">partition_map</a><A, B, F, L, R>(self, predicate: F) -> (A, B)<span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(Self::Item) -> <a class="enum" href="../enum.Either.html" title="enum itertools::Either">Either</a><L, R>,<br> A: Default + Extend<L>,<br> B: Default + Extend<R>,</span></h4></section></summary><div class='docblock'>Collect all iterator elements into one of two |
| partitions. Unlike [<code>Iterator::partition</code>], each partition may |
| have a distinct type. <a href="../trait.Itertools.html#method.partition_map">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.partition_result" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2797-2807">source</a><a href="#method.partition_result" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.partition_result" class="fnname">partition_result</a><A, B, T, E>(self) -> (A, B)<span class="where fmt-newline">where<br> Self: Iterator<Item = Result<T, E>> + Sized,<br> A: Default + Extend<T>,<br> B: Default + Extend<E>,</span></h4></section></summary><div class='docblock'>Partition a sequence of <code>Result</code>s into one list of all the <code>Ok</code> elements |
| and another list of all the <code>Err</code> elements. <a href="../trait.Itertools.html#method.partition_result">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_group_map" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2826-2831">source</a><a href="#method.into_group_map" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.into_group_map" class="fnname">into_group_map</a><K, V>(self) -> HashMap<K, Vec<V>><span class="where fmt-newline">where<br> Self: Iterator<Item = (K, V)> + Sized,<br> K: Hash + Eq,</span></h4></section></summary><div class='docblock'>Return a <code>HashMap</code> of keys mapped to <code>Vec</code>s of values. Keys and values |
| are taken from <code>(Key, Value)</code> tuple pairs yielded by the input iterator. <a href="../trait.Itertools.html#method.into_group_map">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_group_map_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2861-2868">source</a><a href="#method.into_group_map_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.into_group_map_by" class="fnname">into_group_map_by</a><K, V, F>(self, f: F) -> HashMap<K, Vec<V>><span class="where fmt-newline">where<br> Self: Iterator<Item = V> + Sized,<br> K: Hash + Eq,<br> F: Fn(&V) -> K,</span></h4></section></summary><div class='docblock'>Return an <code>Iterator</code> on a <code>HashMap</code>. Keys mapped to <code>Vec</code>s of values. The key is specified |
| in the closure. <a href="../trait.Itertools.html#method.into_group_map_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_grouping_map" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2880-2885">source</a><a href="#method.into_grouping_map" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.into_grouping_map" class="fnname">into_grouping_map</a><K, V>(self) -> <a class="struct" href="struct.GroupingMap.html" title="struct itertools::structs::GroupingMap">GroupingMap</a><Self><span class="where fmt-newline">where<br> Self: Iterator<Item = (K, V)> + Sized,<br> K: Hash + Eq,</span></h4></section></summary><div class='docblock'>Constructs a <code>GroupingMap</code> to be used later with one of the efficient |
| group-and-fold operations it allows to perform. <a href="../trait.Itertools.html#method.into_grouping_map">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into_grouping_map_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2896-2902">source</a><a href="#method.into_grouping_map_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.into_grouping_map_by" class="fnname">into_grouping_map_by</a><K, V, F>(self, key_mapper: F) -> <a class="type" href="type.GroupingMapBy.html" title="type itertools::structs::GroupingMapBy">GroupingMapBy</a><Self, F><span class="where fmt-newline">where<br> Self: Iterator<Item = V> + Sized,<br> K: Hash + Eq,<br> F: FnMut(&V) -> K,</span></h4></section></summary><div class='docblock'>Constructs a <code>GroupingMap</code> to be used later with one of the efficient |
| group-and-fold operations it allows to perform. <a href="../trait.Itertools.html#method.into_grouping_map_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min_set" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2927-2931">source</a><a href="#method.min_set" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.min_set" class="fnname">min_set</a>(self) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Return all minimum elements of an iterator. <a href="../trait.Itertools.html#method.min_set">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min_set_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2958-2966">source</a><a href="#method.min_set_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.min_set_by" class="fnname">min_set_by</a><F>(self, compare: F) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return all minimum elements of an iterator, as determined by |
| the specified function. <a href="../trait.Itertools.html#method.min_set_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.min_set_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#2992-2996">source</a><a href="#method.min_set_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.min_set_by_key" class="fnname">min_set_by_key</a><K, F>(self, key: F) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return all minimum elements of an iterator, as determined by |
| the specified function. <a href="../trait.Itertools.html#method.min_set_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max_set" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3021-3025">source</a><a href="#method.max_set" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.max_set" class="fnname">max_set</a>(self) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Return all maximum elements of an iterator. <a href="../trait.Itertools.html#method.max_set">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max_set_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3052-3060">source</a><a href="#method.max_set_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.max_set_by" class="fnname">max_set_by</a><F>(self, compare: F) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return all maximum elements of an iterator, as determined by |
| the specified function. <a href="../trait.Itertools.html#method.max_set_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.max_set_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3086-3090">source</a><a href="#method.max_set_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.max_set_by_key" class="fnname">max_set_by_key</a><K, F>(self, key: F) -> Vec<Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return all minimum elements of an iterator, as determined by |
| the specified function. <a href="../trait.Itertools.html#method.max_set_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.minmax" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3127-3131">source</a><a href="#method.minmax" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.minmax" class="fnname">minmax</a>(self) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: PartialOrd,</span></h4></section></summary><div class='docblock'>Return the minimum and maximum elements in the iterator. <a href="../trait.Itertools.html#method.minmax">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.minmax_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3144-3148">source</a><a href="#method.minmax_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.minmax_by_key" class="fnname">minmax_by_key</a><K, F>(self, key: F) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> K: PartialOrd,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return the minimum and maximum element of an iterator, as determined by |
| the specified function. <a href="../trait.Itertools.html#method.minmax_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.minmax_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3158-3166">source</a><a href="#method.minmax_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.minmax_by" class="fnname">minmax_by</a><F>(self, compare: F) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><Self::Item><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return the minimum and maximum element of an iterator, as determined by |
| the specified comparison function. <a href="../trait.Itertools.html#method.minmax_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_max" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3187-3193">source</a><a href="#method.position_max" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_max" class="fnname">position_max</a>(self) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Return the position of the maximum element in the iterator. <a href="../trait.Itertools.html#method.position_max">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_max_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3215-3221">source</a><a href="#method.position_max_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_max_by_key" class="fnname">position_max_by_key</a><K, F>(self, key: F) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return the position of the maximum element in the iterator, as |
| determined by the specified function. <a href="../trait.Itertools.html#method.position_max_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_max_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3243-3249">source</a><a href="#method.position_max_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_max_by" class="fnname">position_max_by</a><F>(self, compare: F) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return the position of the maximum element in the iterator, as |
| determined by the specified comparison function. <a href="../trait.Itertools.html#method.position_max_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_min" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3270-3276">source</a><a href="#method.position_min" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_min" class="fnname">position_min</a>(self) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Ord,</span></h4></section></summary><div class='docblock'>Return the position of the minimum element in the iterator. <a href="../trait.Itertools.html#method.position_min">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_min_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3298-3304">source</a><a href="#method.position_min_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_min_by_key" class="fnname">position_min_by_key</a><K, F>(self, key: F) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> K: Ord,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return the position of the minimum element in the iterator, as |
| determined by the specified function. <a href="../trait.Itertools.html#method.position_min_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_min_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3326-3332">source</a><a href="#method.position_min_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_min_by" class="fnname">position_min_by</a><F>(self, compare: F) -> Option<usize><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return the position of the minimum element in the iterator, as |
| determined by the specified comparison function. <a href="../trait.Itertools.html#method.position_min_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_minmax" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3376-3385">source</a><a href="#method.position_minmax" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_minmax" class="fnname">position_minmax</a>(self) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><usize><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: PartialOrd,</span></h4></section></summary><div class='docblock'>Return the positions of the minimum and maximum elements in |
| the iterator. <a href="../trait.Itertools.html#method.position_minmax">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_minmax_by_key" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3421-3430">source</a><a href="#method.position_minmax_by_key" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_minmax_by_key" class="fnname">position_minmax_by_key</a><K, F>(self, key: F) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><usize><span class="where fmt-newline">where<br> Self: Sized,<br> K: PartialOrd,<br> F: FnMut(&Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Return the postions of the minimum and maximum elements of an |
| iterator, as determined by the specified function. <a href="../trait.Itertools.html#method.position_minmax_by_key">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.position_minmax_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3463-3472">source</a><a href="#method.position_minmax_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.position_minmax_by" class="fnname">position_minmax_by</a><F>(self, compare: F) -> <a class="enum" href="../enum.MinMaxResult.html" title="enum itertools::MinMaxResult">MinMaxResult</a><usize><span class="where fmt-newline">where<br> Self: Sized,<br> F: FnMut(&Self::Item, &Self::Item) -> Ordering,</span></h4></section></summary><div class='docblock'>Return the postions of the minimum and maximum elements of an |
| iterator, as determined by the specified comparison function. <a href="../trait.Itertools.html#method.position_minmax_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.exactly_one" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3491-3508">source</a><a href="#method.exactly_one" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.exactly_one" class="fnname">exactly_one</a>(self) -> Result<Self::Item, <a class="struct" href="struct.ExactlyOneError.html" title="struct itertools::structs::ExactlyOneError">ExactlyOneError</a><Self>><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>If the iterator yields exactly one element, that element will be returned, otherwise |
| an error will be returned containing an iterator that has the same output as the input |
| iterator. <a href="../trait.Itertools.html#method.exactly_one">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.at_most_one" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3527-3544">source</a><a href="#method.at_most_one" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.at_most_one" class="fnname">at_most_one</a>(self) -> Result<Option<Self::Item>, <a class="struct" href="struct.ExactlyOneError.html" title="struct itertools::structs::ExactlyOneError">ExactlyOneError</a><Self>><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>If the iterator yields no elements, Ok(None) will be returned. If the iterator yields |
| exactly one element, that element will be returned, otherwise an error will be returned |
| containing an iterator that has the same output as the input iterator. <a href="../trait.Itertools.html#method.at_most_one">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.multipeek" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3561-3566">source</a><a href="#method.multipeek" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.multipeek" class="fnname">multipeek</a>(self) -> <a class="struct" href="struct.MultiPeek.html" title="struct itertools::structs::MultiPeek">MultiPeek</a><Self><span class="notable-traits"><span class="notable-traits-tooltip">ⓘ<span class="notable-traits-tooltiptext"><span class="docblock"><span class="notable">Notable traits for <a class="struct" href="struct.MultiPeek.html" title="struct itertools::structs::MultiPeek">MultiPeek</a><I></span><code class="content"><span class="where fmt-newline">impl<I> Iterator for <a class="struct" href="struct.MultiPeek.html" title="struct itertools::structs::MultiPeek">MultiPeek</a><I><span class="where fmt-newline">where<br> I: Iterator,</span></span><span class="where fmt-newline"> type <a class="associatedtype">Item</a> = I::Item;</span></code></span></span></span></span><span class="where fmt-newline">where<br> Self: Sized,</span></h4></section></summary><div class='docblock'>An iterator adaptor that allows the user to peek at multiple <code>.next()</code> |
| values without advancing the base iterator. <a href="../trait.Itertools.html#method.multipeek">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.counts" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3582-3590">source</a><a href="#method.counts" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.counts" class="fnname">counts</a>(self) -> HashMap<Self::Item, usize><span class="where fmt-newline">where<br> Self: Sized,<br> Self::Item: Eq + Hash,</span></h4></section></summary><div class='docblock'>Collect the items in this iterator and return a <code>HashMap</code> which |
| contains each item that appears in the iterator and the number |
| of times it appears. <a href="../trait.Itertools.html#method.counts">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.counts_by" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3625-3632">source</a><a href="#method.counts_by" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.counts_by" class="fnname">counts_by</a><K, F>(self, f: F) -> HashMap<K, usize><span class="where fmt-newline">where<br> Self: Sized,<br> K: Eq + Hash,<br> F: FnMut(Self::Item) -> K,</span></h4></section></summary><div class='docblock'>Collect the items in this iterator and return a <code>HashMap</code> which |
| contains each item that appears in the iterator and the number |
| of times it appears, |
| determining identity using a keying function. <a href="../trait.Itertools.html#method.counts_by">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.multiunzip" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/itertools/lib.rs.html#3654-3659">source</a><a href="#method.multiunzip" class="anchor"></a><h4 class="code-header">fn <a href="../trait.Itertools.html#method.multiunzip" class="fnname">multiunzip</a><FromI>(self) -> FromI<span class="where fmt-newline">where<br> Self: Sized + <a class="trait" href="../trait.MultiUnzip.html" title="trait itertools::MultiUnzip">MultiUnzip</a><FromI>,</span></h4></section></summary><div class='docblock'>Converts an iterator of tuples into a tuple of containers. <a href="../trait.Itertools.html#method.multiunzip">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T, U> TryFrom<U> for T<span class="where fmt-newline">where<br> U: Into<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = Infallible</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_from</a>(value: U) -> Result<T, <T as TryFrom<U>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-TakeWhileRef%3C%27a%2C%20I%2C%20F%3E" class="anchor"></a><h3 class="code-header">impl<T, U> TryInto<U> for T<span class="where fmt-newline">where<br> U: TryFrom<T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Error</a> = <U as TryFrom<T>>::Error</h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="since rightside" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">try_into</a>(self) -> Result<U, <U as TryFrom<T>>::Error></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="itertools" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |