| <!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 array of run-end encoded values"><title>RunArray in arrow_array::array::run_array - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-ca0dd0c4.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="arrow_array" data-themes="" data-resource-suffix="" data-rustdoc-version="1.93.0-nightly (34f954f9b 2025-10-25)" data-channel="nightly" data-search-js="search-d69d8955.js" data-stringdex-js="stringdex-c3e638e9.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-ce535bd0.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="icon" href="https://arrow.apache.org/img/arrow-logo_chevrons_black-txt_transparent-bg.svg"></head><body class="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">RunArray</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><a class="logo-container" href="../../../arrow_array/index.html"><img src="https://arrow.apache.org/img/arrow-logo_chevrons_black-txt_white-bg.svg" alt="logo"></a><h2><a href="../../../arrow_array/index.html">arrow_<wbr>array</a><span class="version">57.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">RunArray</a></h2><h3><a href="#fields">Fields</a></h3><ul class="block structfield"><li><a href="#structfield.data_type" title="data_type">data_type</a></li><li><a href="#structfield.run_ends" title="run_ends">run_ends</a></li><li><a href="#structfield.values" title="values">values</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block method"><li><a href="#method.downcast" title="downcast">downcast</a></li><li><a href="#method.get_end_physical_index" title="get_end_physical_index">get_end_physical_index</a></li><li><a href="#method.get_physical_index" title="get_physical_index">get_physical_index</a></li><li><a href="#method.get_physical_indices" title="get_physical_indices">get_physical_indices</a></li><li><a href="#method.get_start_physical_index" title="get_start_physical_index">get_start_physical_index</a></li><li><a href="#method.logical_len" title="logical_len">logical_len</a></li><li><a href="#method.run_ends" title="run_ends">run_ends</a></li><li><a href="#method.slice" title="slice">slice</a></li><li><a href="#method.try_new" title="try_new">try_new</a></li><li><a href="#method.values" title="values">values</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block trait-implementation"><li><a href="#impl-Array-for-RunArray%3CT%3E" title="Array">Array</a></li><li><a href="#impl-Clone-for-RunArray%3CR%3E" title="Clone">Clone</a></li><li><a href="#impl-Debug-for-RunArray%3CR%3E" title="Debug">Debug</a></li><li><a href="#impl-From%3CArrayData%3E-for-RunArray%3CR%3E" title="From<ArrayData>">From<ArrayData></a></li><li><a href="#impl-From%3CRunArray%3CR%3E%3E-for-ArrayData" title="From<RunArray<R>>">From<RunArray<R>></a></li><li><a href="#impl-FromIterator%3C%26str%3E-for-RunArray%3CT%3E" title="FromIterator<&'a str>">FromIterator<&'a str></a></li><li><a href="#impl-FromIterator%3COption%3C%26str%3E%3E-for-RunArray%3CT%3E" title="FromIterator<Option<&'a str>>">FromIterator<Option<&'a str>></a></li><li><a href="#impl-PartialEq-for-RunArray%3CR%3E" title="PartialEq">PartialEq</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block synthetic-implementation"><li><a href="#impl-RefUnwindSafe-for-RunArray%3CR%3E" title="!RefUnwindSafe">!RefUnwindSafe</a></li><li><a href="#impl-UnwindSafe-for-RunArray%3CR%3E" title="!UnwindSafe">!UnwindSafe</a></li><li><a href="#impl-Freeze-for-RunArray%3CR%3E" title="Freeze">Freeze</a></li><li><a href="#impl-Send-for-RunArray%3CR%3E" title="Send">Send</a></li><li><a href="#impl-Sync-for-RunArray%3CR%3E" title="Sync">Sync</a></li><li><a href="#impl-Unpin-for-RunArray%3CR%3E" title="Unpin">Unpin</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block blanket-implementation"><li><a href="#impl-Any-for-T" title="Any">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-T" title="Borrow<T>">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-T" title="BorrowMut<T>">BorrowMut<T></a></li><li><a href="#impl-CloneToUninit-for-T" title="CloneToUninit">CloneToUninit</a></li><li><a href="#impl-Datum-for-T" title="Datum">Datum</a></li><li><a href="#impl-From%3CT%3E-for-T" title="From<T>">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-T" title="Into<U>">Into<U></a></li><li><a href="#impl-ToOwned-for-T" title="ToOwned">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-T" title="TryFrom<U>">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-T" title="TryInto<U>">TryInto<U></a></li></ul></section><div id="rustdoc-modnav"><h2><a href="index.html">In arrow_<wbr>array::<wbr>array::<wbr>run_<wbr>array</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">arrow_array</a>::<wbr><a href="../index.html">array</a>::<wbr><a href="index.html">run_array</a></div><h1>Struct <span class="struct">RunArray</span> <button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/arrow_array/array/run_array.rs.html#63-67">Source</a> </span></div><pre class="rust item-decl"><code>pub struct RunArray<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> { |
| data_type: DataType, |
| run_ends: RunEndBuffer<R::<a class="associatedtype" href="../../types/trait.ArrowPrimitiveType.html#associatedtype.Native" title="type arrow_array::types::ArrowPrimitiveType::Native">Native</a>>, |
| values: <a class="type" href="../type.ArrayRef.html" title="type arrow_array::array::ArrayRef">ArrayRef</a>, |
| }</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>An array of <a href="https://arrow.apache.org/docs/format/Columnar.html#run-end-encoded-layout">run-end encoded values</a></p> |
| <p>This encoding is variation on <a href="https://en.wikipedia.org/wiki/Run-length_encoding">run-length encoding (RLE)</a> |
| and is good for representing data containing same values repeated consecutively.</p> |
| <p><a href="../struct.RunArray.html" title="struct arrow_array::array::RunArray"><code>RunArray</code></a> contains <code>run_ends</code> array and <code>values</code> array of same length. |
| The <code>run_ends</code> array stores the indexes at which the run ends. The <code>values</code> array |
| stores the value of each run. Below example illustrates how a logical array is represented in |
| <a href="../struct.RunArray.html" title="struct arrow_array::array::RunArray"><code>RunArray</code></a></p> |
| <div class="example-wrap"><pre class="language-text"><code>┌ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─┐ |
| ┌─────────────────┐ ┌─────────┐ ┌─────────────────┐ |
| │ │ A │ │ 2 │ │ │ A │ |
| ├─────────────────┤ ├─────────┤ ├─────────────────┤ |
| │ │ D │ │ 3 │ │ │ A │ run length of 'A' = runs_ends[0] - 0 = 2 |
| ├─────────────────┤ ├─────────┤ ├─────────────────┤ |
| │ │ B │ │ 6 │ │ │ D │ run length of 'D' = run_ends[1] - run_ends[0] = 1 |
| └─────────────────┘ └─────────┘ ├─────────────────┤ |
| │ values run_ends │ │ B │ |
| ├─────────────────┤ |
| └ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─┘ │ B │ |
| ├─────────────────┤ |
| RunArray │ B │ run length of 'B' = run_ends[2] - run_ends[1] = 3 |
| length = 3 └─────────────────┘ |
| |
| Logical array |
| Contents</code></pre></div></div></details><h2 id="fields" class="fields section-header">Fields<a href="#fields" class="anchor">§</a></h2><span id="structfield.data_type" class="structfield section-header"><a href="#structfield.data_type" class="anchor field">§</a><code>data_type: DataType</code></span><span id="structfield.run_ends" class="structfield section-header"><a href="#structfield.run_ends" class="anchor field">§</a><code>run_ends: RunEndBuffer<R::<a class="associatedtype" href="../../types/trait.ArrowPrimitiveType.html#associatedtype.Native" title="type arrow_array::types::ArrowPrimitiveType::Native">Native</a>></code></span><span id="structfield.values" class="structfield section-header"><a href="#structfield.values" class="anchor field">§</a><code>values: <a class="type" href="../type.ArrayRef.html" title="type arrow_array::array::ArrayRef">ArrayRef</a></code></span><h2 id="implementations" class="section-header">Implementations<a href="#implementations" class="anchor">§</a></h2><div id="implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-RunArray%3CR%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#79-254">Source</a><a href="#impl-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.logical_len" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#82-88">Source</a><h4 class="code-header">pub fn <a href="#method.logical_len" class="fn">logical_len</a>(run_ends: &<a class="struct" href="../struct.PrimitiveArray.html" title="struct arrow_array::array::PrimitiveArray">PrimitiveArray</a><R>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Calculates the logical length of the array encoded |
| by the given run_ends array.</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.try_new" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#93-118">Source</a><h4 class="code-header">pub fn <a href="#method.try_new" class="fn">try_new</a>( |
| run_ends: &<a class="struct" href="../struct.PrimitiveArray.html" title="struct arrow_array::array::PrimitiveArray">PrimitiveArray</a><R>, |
| values: &dyn <a class="trait" href="../trait.Array.html" title="trait arrow_array::array::Array">Array</a>, |
| ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, ArrowError></h4></section></summary><div class="docblock"><p>Attempts to create RunArray using given run_ends (index where a run ends) |
| and the values (value of the run). Returns an error if the given data is not compatible |
| with RunEndEncoded specification.</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.run_ends" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#121-123">Source</a><h4 class="code-header">pub fn <a href="#method.run_ends" class="fn">run_ends</a>(&self) -> &RunEndBuffer<R::<a class="associatedtype" href="../../types/trait.ArrowPrimitiveType.html#associatedtype.Native" title="type arrow_array::types::ArrowPrimitiveType::Native">Native</a>></h4></section></summary><div class="docblock"><p>Returns a reference to [<code>RunEndBuffer</code>]</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.values" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#129-131">Source</a><h4 class="code-header">pub fn <a href="#method.values" class="fn">values</a>(&self) -> &<a class="type" href="../type.ArrayRef.html" title="type arrow_array::array::ArrayRef">ArrayRef</a></h4></section></summary><div class="docblock"><p>Returns a reference to values array</p> |
| <p>Note: any slicing of this <a href="../struct.RunArray.html" title="struct arrow_array::array::RunArray"><code>RunArray</code></a> array is not applied to the returned array |
| and must be handled separately</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.get_start_physical_index" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#134-136">Source</a><h4 class="code-header">pub fn <a href="#method.get_start_physical_index" class="fn">get_start_physical_index</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the physical index at which the array slice starts.</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.get_end_physical_index" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#139-141">Source</a><h4 class="code-header">pub fn <a href="#method.get_end_physical_index" class="fn">get_end_physical_index</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns the physical index at which the array slice ends.</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.downcast" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#156-162">Source</a><h4 class="code-header">pub fn <a href="#method.downcast" class="fn">downcast</a><V: 'static>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="../struct.TypedRunArray.html" title="struct arrow_array::array::TypedRunArray">TypedRunArray</a><'_, R, V>></h4></section></summary><div class="docblock"><p>Downcast this <a href="../struct.RunArray.html" title="struct arrow_array::array::RunArray"><code>RunArray</code></a> to a <a href="../struct.TypedRunArray.html" title="struct arrow_array::array::TypedRunArray"><code>TypedRunArray</code></a></p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>arrow_array::{Array, ArrayAccessor, RunArray, StringArray, types::Int32Type}; |
| |
| <span class="kw">let </span>orig = [<span class="prelude-val">Some</span>(<span class="string">"a"</span>), <span class="prelude-val">Some</span>(<span class="string">"b"</span>), <span class="prelude-val">None</span>]; |
| <span class="kw">let </span>run_array = RunArray::<Int32Type>::from_iter(orig); |
| <span class="kw">let </span>typed = run_array.downcast::<StringArray>().unwrap(); |
| <span class="macro">assert_eq!</span>(typed.value(<span class="number">0</span>), <span class="string">"a"</span>); |
| <span class="macro">assert_eq!</span>(typed.value(<span class="number">1</span>), <span class="string">"b"</span>); |
| <span class="macro">assert!</span>(typed.values().is_null(<span class="number">2</span>));</code></pre></div></div></details><details class="toggle method-toggle" open><summary><section id="method.get_physical_index" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#169-171">Source</a><h4 class="code-header">pub fn <a href="#method.get_physical_index" class="fn">get_physical_index</a>(&self, logical_index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class="docblock"><p>Returns index to the physical array for the given index to the logical array. |
| This function adjusts the input logical index based on <code>ArrayData::offset</code> |
| Performs a binary search on the run_ends array for the input index.</p> |
| <p>The result is arbitrary if <code>logical_index >= self.len()</code></p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.get_physical_indices" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#181-244">Source</a><h4 class="code-header">pub fn <a href="#method.get_physical_indices" class="fn">get_physical_indices</a><I>( |
| &self, |
| logical_indices: &<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[I]</a>, |
| ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>>, ArrowError><div class="where">where |
| I: ArrowNativeType,</div></h4></section></summary><div class="docblock"><p>Returns the physical indices of the input logical indices. Returns error if any of the logical |
| index cannot be converted to physical index. The logical indices are sorted and iterated along |
| with run_ends array to find matching physical index. The approach used here was chosen over |
| finding physical index for each logical index using binary search using the function |
| <code>get_physical_index</code>. Running benchmarks on both approaches showed that the approach used here |
| scaled well for larger inputs. |
| See <a href="https://github.com/apache/arrow-rs/pull/3622#issuecomment-1407753727">https://github.com/apache/arrow-rs/pull/3622#issuecomment-1407753727</a> for more details.</p> |
| </div></details><details class="toggle method-toggle" open><summary><section id="method.slice" class="method"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#247-253">Source</a><h4 class="code-header">pub fn <a href="#method.slice" class="fn">slice</a>(&self, offset: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, length: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> Self</h4></section></summary><div class="docblock"><p>Returns a zero-copy slice of this array with the indicated offset and length.</p> |
| </div></details></div></details></div><h2 id="trait-implementations" class="section-header">Trait Implementations<a href="#trait-implementations" class="anchor">§</a></h2><div id="trait-implementations-list"><details class="toggle implementors-toggle" open><summary><section id="impl-Array-for-RunArray%3CT%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#306-394">Source</a><a href="#impl-Array-for-RunArray%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<T: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="../trait.Array.html" title="trait arrow_array::array::Array">Array</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><T></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.as_any" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#307-309">Source</a><a href="#method.as_any" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.as_any" class="fn">as_any</a>(&self) -> &dyn <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a></h4></section></summary><div class='docblock'>Returns the array as <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any"><code>Any</code></a> so that it can be |
| downcasted to a specific implementation. <a href="../trait.Array.html#tymethod.as_any">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.to_data" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#311-313">Source</a><a href="#method.to_data" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.to_data" class="fn">to_data</a>(&self) -> ArrayData</h4></section></summary><div class='docblock'>Returns the underlying data of this array</div></details><details class="toggle method-toggle" open><summary><section id="method.into_data" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#315-317">Source</a><a href="#method.into_data" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.into_data" class="fn">into_data</a>(self) -> ArrayData</h4></section></summary><div class='docblock'>Returns the underlying data of this array <a href="../trait.Array.html#tymethod.into_data">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.data_type" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#319-321">Source</a><a href="#method.data_type" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.data_type" class="fn">data_type</a>(&self) -> &DataType</h4></section></summary><div class='docblock'>Returns a reference to the [<code>DataType</code>] of this array. <a href="../trait.Array.html#tymethod.data_type">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.slice-1" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#323-325">Source</a><a href="#method.slice-1" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.slice" class="fn">slice</a>(&self, offset: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, length: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="type" href="../type.ArrayRef.html" title="type arrow_array::array::ArrayRef">ArrayRef</a></h4></section></summary><div class='docblock'>Returns a zero-copy slice of this array with the indicated offset and length. <a href="../trait.Array.html#tymethod.slice">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.len" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#327-329">Source</a><a href="#method.len" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.len" class="fn">len</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the length (i.e., number of elements) of this array. <a href="../trait.Array.html#tymethod.len">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_empty" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#331-333">Source</a><a href="#method.is_empty" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.is_empty" class="fn">is_empty</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns whether this array is empty. <a href="../trait.Array.html#tymethod.is_empty">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.shrink_to_fit" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#335-338">Source</a><a href="#method.shrink_to_fit" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.shrink_to_fit" class="fn">shrink_to_fit</a>(&mut self)</h4></section></summary><div class='docblock'>Shrinks the capacity of any exclusively owned buffer as much as possible <a href="../trait.Array.html#method.shrink_to_fit">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.offset" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#340-342">Source</a><a href="#method.offset" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.offset" class="fn">offset</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the offset into the underlying data used by this array(-slice). |
| Note that the underlying data can be shared by many arrays. |
| This defaults to <code>0</code>. <a href="../trait.Array.html#tymethod.offset">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.nulls" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#344-346">Source</a><a href="#method.nulls" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.nulls" class="fn">nulls</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&NullBuffer></h4></section></summary><div class='docblock'>Returns the null buffer of this array if any. <a href="../trait.Array.html#tymethod.nulls">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.logical_nulls" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#348-379">Source</a><a href="#method.logical_nulls" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.logical_nulls" class="fn">logical_nulls</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><NullBuffer></h4></section></summary><div class='docblock'>Returns a potentially computed [<code>NullBuffer</code>] that represents the logical |
| null values of this array, if any. <a href="../trait.Array.html#method.logical_nulls">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_nullable" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#381-383">Source</a><a href="#method.is_nullable" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.is_nullable" class="fn">is_nullable</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns <code>false</code> if the array is guaranteed to not contain any logical nulls <a href="../trait.Array.html#method.is_nullable">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.get_buffer_memory_size" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#385-387">Source</a><a href="#method.get_buffer_memory_size" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.get_buffer_memory_size" class="fn">get_buffer_memory_size</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the total number of bytes of memory pointed to by this array. |
| The buffers store bytes in the Arrow memory format, and include the data as well as the validity map. |
| Note that this does not always correspond to the exact memory usage of an array, |
| since multiple arrays can share the same buffers or slices thereof.</div></details><details class="toggle method-toggle" open><summary><section id="method.get_array_memory_size" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#389-393">Source</a><a href="#method.get_array_memory_size" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#tymethod.get_array_memory_size" class="fn">get_array_memory_size</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the total number of bytes of memory occupied physically by this array. |
| This value will always be greater than returned by <code>get_buffer_memory_size()</code> and |
| includes the overhead of the data structures that contain the pointers to the various buffers.</div></details><details class="toggle method-toggle" open><summary><section id="method.is_null" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#250-252">Source</a><a href="#method.is_null" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.is_null" class="fn">is_null</a>(&self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns whether the element at <code>index</code> is null according to <a href="../trait.Array.html#tymethod.nulls" title="method arrow_array::array::Array::nulls"><code>Array::nulls</code></a> <a href="../trait.Array.html#method.is_null">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.is_valid" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#267-269">Source</a><a href="#method.is_valid" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.is_valid" class="fn">is_valid</a>(&self, index: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Returns whether the element at <code>index</code> is <em>not</em> null, the |
| opposite of <a href="../trait.Array.html#method.is_null"><code>Self::is_null</code></a>. <a href="../trait.Array.html#method.is_valid">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.null_count" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#286-288">Source</a><a href="#method.null_count" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.null_count" class="fn">null_count</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the total number of physical null values in this array. <a href="../trait.Array.html#method.null_count">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.logical_null_count" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#306-310">Source</a><a href="#method.logical_null_count" class="anchor">§</a><h4 class="code-header">fn <a href="../trait.Array.html#method.logical_null_count" class="fn">logical_null_count</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><div class='docblock'>Returns the total number of logical null values in this array. <a href="../trait.Array.html#method.logical_null_count">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Clone-for-RunArray%3CR%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#69-77">Source</a><a href="#impl-Clone-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#70-76">Source</a><a href="#method.clone" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone" class="fn">clone</a>(&self) -> Self</h4></section></summary><div class='docblock'>Returns a duplicate of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#245-247">Source</a></span><a href="#method.clone_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from" class="fn">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-Debug-for-RunArray%3CR%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#396-405">Source</a><a href="#impl-Debug-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#397-404">Source</a><a href="#method.fmt" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt" class="fn">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/nightly/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/nightly/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/nightly/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CArrayData%3E-for-RunArray%3CR%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#256-284">Source</a><a href="#impl-From%3CArrayData%3E-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><ArrayData> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#258-283">Source</a><a href="#method.from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(data: ArrayData) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-From%3CRunArray%3CR%3E%3E-for-ArrayData" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#286-304">Source</a><a href="#impl-From%3CRunArray%3CR%3E%3E-for-ArrayData" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><<a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R>> for ArrayData</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-1" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#287-303">Source</a><a href="#method.from-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(array: <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R>) -> Self</h4></section></summary><div class='docblock'>Converts to this type from the input type.</div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-FromIterator%3C%26str%3E-for-RunArray%3CT%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#450-461">Source</a><a href="#impl-FromIterator%3C%26str%3E-for-RunArray%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<'a, T: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a><&'a <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><T></h3><div class="docblock"><p>Constructs a <code>RunArray</code> from an iterator of strings.</p> |
| </div></section></summary><div class="docblock"><h4 id="example-1"><a class="doc-anchor" href="#example-1">§</a>Example:</h4> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>arrow_array::{RunArray, PrimitiveArray, StringArray, types::Int16Type}; |
| |
| <span class="kw">let </span>test = <span class="macro">vec!</span>[<span class="string">"a"</span>, <span class="string">"a"</span>, <span class="string">"b"</span>, <span class="string">"c"</span>]; |
| <span class="kw">let </span>array: RunArray<Int16Type> = test.into_iter().collect(); |
| <span class="macro">assert_eq!</span>( |
| <span class="string">"RunArray {run_ends: [2, 3, 4], values: StringArray\n[\n \"a\",\n \"b\",\n \"c\",\n]}\n"</span>, |
| <span class="macro">format!</span>(<span class="string">"{:?}"</span>, array) |
| );</code></pre></div></div><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from_iter-1" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#451-460">Source</a><a href="#method.from_iter-1" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter" class="fn">from_iter</a><I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a><Item = &'a <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>>(iter: I) -> Self</h4></section></summary><div class='docblock'>Creates a value from an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-FromIterator%3COption%3C%26str%3E%3E-for-RunArray%3CT%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#423-434">Source</a><a href="#impl-FromIterator%3COption%3C%26str%3E%3E-for-RunArray%3CT%3E" class="anchor">§</a><h3 class="code-header">impl<'a, T: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html" title="trait core::iter::traits::collect::FromIterator">FromIterator</a><<a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'a <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><T></h3><div class="docblock"><p>Constructs a <code>RunArray</code> from an iterator of optional strings.</p> |
| </div></section></summary><div class="docblock"><h4 id="example"><a class="doc-anchor" href="#example">§</a>Example:</h4> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>arrow_array::{RunArray, PrimitiveArray, StringArray, types::Int16Type}; |
| |
| <span class="kw">let </span>test = <span class="macro">vec!</span>[<span class="string">"a"</span>, <span class="string">"a"</span>, <span class="string">"b"</span>, <span class="string">"c"</span>, <span class="string">"c"</span>]; |
| <span class="kw">let </span>array: RunArray<Int16Type> = test |
| .iter() |
| .map(|<span class="kw-2">&</span>x| <span class="kw">if </span>x == <span class="string">"b" </span>{ <span class="prelude-val">None </span>} <span class="kw">else </span>{ <span class="prelude-val">Some</span>(x) }) |
| .collect(); |
| <span class="macro">assert_eq!</span>( |
| <span class="string">"RunArray {run_ends: [2, 3, 5], values: StringArray\n[\n \"a\",\n null,\n \"c\",\n]}\n"</span>, |
| <span class="macro">format!</span>(<span class="string">"{:?}"</span>, array) |
| );</code></pre></div></div><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from_iter" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/run_array.rs.html#424-433">Source</a><a href="#method.from_iter" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter" class="fn">from_iter</a><I: <a class="trait" href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html" title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a><Item = <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'a <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>>>(iter: I) -> Self</h4></section></summary><div class='docblock'>Creates a value from an iterator. <a href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.FromIterator.html#tymethod.from_iter">Read more</a></div></details></div></details><details class="toggle implementors-toggle" open><summary><section id="impl-PartialEq-for-RunArray%3CR%3E" class="impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#736-740">Source</a><a href="#impl-PartialEq-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R: <a class="trait" href="../../types/trait.RunEndIndexType.html" title="trait arrow_array::types::RunEndIndexType">RunEndIndexType</a>> <a class="trait" href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html" title="trait core::cmp::PartialEq">PartialEq</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.eq" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/array/mod.rs.html#737-739">Source</a><a href="#method.eq" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#tymethod.eq" class="fn">eq</a>(&self, other: &Self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>self</code> and <code>other</code> values to be equal, and is used by <code>==</code>.</div></details><details class="toggle method-toggle" open><summary><section id="method.ne" class="method trait-impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="src" href="https://doc.rust-lang.org/nightly/src/core/cmp.rs.html#264">Source</a></span><a href="#method.ne" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/cmp/trait.PartialEq.html#method.ne" class="fn">ne</a>(&self, other: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&Rhs</a>) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a></h4></section></summary><div class='docblock'>Tests for <code>!=</code>. The default implementation is almost always sufficient, |
| and should not be overridden without very good reason.</div></details></div></details></div><h2 id="synthetic-implementations" class="section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor">§</a></h2><div id="synthetic-implementations-list"><section id="impl-Freeze-for-RunArray%3CR%3E" class="impl"><a href="#impl-Freeze-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Freeze.html" title="trait core::marker::Freeze">Freeze</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section><section id="impl-RefUnwindSafe-for-RunArray%3CR%3E" class="impl"><a href="#impl-RefUnwindSafe-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section><section id="impl-Send-for-RunArray%3CR%3E" class="impl"><a href="#impl-Send-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section><section id="impl-Sync-for-RunArray%3CR%3E" class="impl"><a href="#impl-Sync-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section><section id="impl-Unpin-for-RunArray%3CR%3E" class="impl"><a href="#impl-Unpin-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R><div class="where">where |
| <R as <a class="trait" href="../../types/trait.ArrowPrimitiveType.html" title="trait arrow_array::types::ArrowPrimitiveType">ArrowPrimitiveType</a>>::<a class="associatedtype" href="../../types/trait.ArrowPrimitiveType.html#associatedtype.Native" title="type arrow_array::types::ArrowPrimitiveType::Native">Native</a>: <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>,</div></h3></section><section id="impl-UnwindSafe-for-RunArray%3CR%3E" class="impl"><a href="#impl-UnwindSafe-for-RunArray%3CR%3E" class="anchor">§</a><h3 class="code-header">impl<R> !<a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="../struct.RunArray.html" title="struct arrow_array::array::RunArray">RunArray</a><R></h3></section></div><h2 id="blanket-implementations" class="section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor">§</a></h2><div id="blanket-implementations-list"><details class="toggle implementors-toggle"><summary><section id="impl-Any-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#138">Source</a><a href="#impl-Any-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<div class="where">where |
| T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#139">Source</a><a href="#method.type_id" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fn">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#212">Source</a><a href="#impl-Borrow%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<div class="where">where |
| T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#214">Source</a><a href="#method.borrow" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fn">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&T</a></h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#221">Source</a><a href="#impl-BorrowMut%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<div class="where">where |
| T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#222">Source</a><a href="#method.borrow_mut" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fn">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut T</a></h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-CloneToUninit-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#515">Source</a><a href="#impl-CloneToUninit-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.CloneToUninit.html" title="trait core::clone::CloneToUninit">CloneToUninit</a> for T<div class="where">where |
| T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.clone_to_uninit" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#517">Source</a><a href="#method.clone_to_uninit" class="anchor">§</a><h4 class="code-header">unsafe fn <a href="https://doc.rust-lang.org/nightly/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit" class="fn">clone_to_uninit</a>(&self, dest: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>)</h4></section></summary><span class="item-info"><div class="stab unstable"><span class="emoji">🔬</span><span>This is a nightly-only experimental API. (<code>clone_to_uninit</code>)</span></div></span><div class='docblock'>Performs copy-assignment from <code>self</code> to <code>dest</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.CloneToUninit.html#tymethod.clone_to_uninit">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Datum-for-T" class="impl"><a class="src rightside" href="../../../src/arrow_array/scalar.rs.html#83-87">Source</a><a href="#impl-Datum-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="../../trait.Datum.html" title="trait arrow_array::Datum">Datum</a> for T<div class="where">where |
| T: <a class="trait" href="../trait.Array.html" title="trait arrow_array::array::Array">Array</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.get" class="method trait-impl"><a class="src rightside" href="../../../src/arrow_array/scalar.rs.html#84-86">Source</a><a href="#method.get" class="anchor">§</a><h4 class="code-header">fn <a href="../../trait.Datum.html#tymethod.get" class="fn">get</a>(&self) -> (&dyn <a class="trait" href="../trait.Array.html" title="trait arrow_array::array::Array">Array</a>, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a>)</h4></section></summary><div class='docblock'>Returns the value for this <a href="../../trait.Datum.html" title="trait arrow_array::Datum"><code>Datum</code></a> and a boolean indicating if the value is scalar</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#785">Source</a><a href="#impl-From%3CT%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for T</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.from-2" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#788">Source</a><a href="#method.from-2" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fn">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#767-769">Source</a><a href="#impl-Into%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<div class="where">where |
| U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#777">Source</a><a href="#method.into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fn">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><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-ToOwned-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#85-87">Source</a><a href="#impl-ToOwned-for-T" class="anchor">§</a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<div class="where">where |
| T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#89">Source</a><a href="#associatedtype.Owned" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#90">Source</a><a href="#method.to_owned" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fn">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#94">Source</a><a href="#method.clone_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fn">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut T</a>)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#827-829">Source</a><a href="#impl-TryFrom%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<div class="where">where |
| U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#831">Source</a><a href="#associatedtype.Error-1" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#834">Source</a><a href="#method.try_from" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fn">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-T" class="impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#811-813">Source</a><a href="#impl-TryInto%3CU%3E-for-T" class="anchor">§</a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<div class="where">where |
| U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</div></h3></section></summary><div class="impl-items"><details class="toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#815">Source</a><a href="#associatedtype.Error" class="anchor">§</a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl"><a class="src rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#818">Source</a><a href="#method.try_into" class="anchor">§</a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fn">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main></body></html> |
