| <!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="A training sample or a test sample. You can call `new_training_data` to generate a training sample, and call `new_test_data` to generate a test sample."><meta name="keywords" content="rust, rustlang, rust-lang, Data"><title>Data in gbdt::decision_tree - 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" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.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]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../gbdt/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="../../gbdt/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Data</a></h2><div class="sidebar-elems"><section><h3><a href="#fields">Fields</a></h3><ul class="block"><li><a href="#structfield.feature">feature</a></li><li><a href="#structfield.initial_guess">initial_guess</a></li><li><a href="#structfield.label">label</a></li><li><a href="#structfield.residual">residual</a></li><li><a href="#structfield.target">target</a></li><li><a href="#structfield.weight">weight</a></li></ul><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.new_test_data">new_test_data</a></li><li><a href="#method.new_training_data">new_training_data</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-Data">Clone</a></li><li><a href="#impl-Debug-for-Data">Debug</a></li><li><a href="#impl-Deserialize%3C%27de%3E-for-Data">Deserialize<'de></a></li><li><a href="#impl-Serialize-for-Data">Serialize</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-Data">RefUnwindSafe</a></li><li><a href="#impl-Send-for-Data">Send</a></li><li><a href="#impl-Sync-for-Data">Sync</a></li><li><a href="#impl-Unpin-for-Data">Unpin</a></li><li><a href="#impl-UnwindSafe-for-Data">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-Data">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-Data">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-Data">BorrowMut<T></a></li><li><a href="#impl-DeserializeOwned-for-Data">DeserializeOwned</a></li><li><a href="#impl-From%3CT%3E-for-Data">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-Data">Into<U></a></li><li><a href="#impl-ToOwned-for-Data">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-Data">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-Data">TryInto<U></a></li><li><a href="#impl-VZip%3CV%3E-for-Data">VZip<V></a></li></ul></section><h2><a href="index.html">In gbdt::decision_tree</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">gbdt</a>::<wbr><a href="index.html">decision_tree</a>::<wbr><a class="struct" href="#">Data</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/gbdt/decision_tree.rs.html#141-154">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 Data { |
| pub feature: Vec<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>>, |
| pub target: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>, |
| pub weight: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>, |
| pub label: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>, |
| pub residual: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>, |
| pub initial_guess: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>, |
| }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A training sample or a test sample. You can call <code>new_training_data</code> to generate a training sample, and call <code>new_test_data</code> to generate a test sample.</p> |
| <p>A training sample can be used as a test sample.</p> |
| <p>You can also directly generate a data with following guides:</p> |
| <ol> |
| <li> |
| <p>When using the gbdt algorithm for training, you should set the values of feature, weight and label. If Config::initial_guess_enabled is true, you should set the value of initial_guess as well. Other fields can be arbitrary value.</p> |
| </li> |
| <li> |
| <p>When using the gbdt algorithm for inference, you should set the value of feature. Other fields can be arbitrary value.</p> |
| </li> |
| <li> |
| <p>When directly using the decision tree for training, only “SquaredError” is supported and you should set the values of feature, weight, label and target. <code>label</code> and <code>target</code> are equal. Other fields can be arbitrary value.</p> |
| </li> |
| <li> |
| <p>When directly using the decision tree for inference, only “SquaredError” is supported and you should set the values of feature.</p> |
| </li> |
| </ol> |
| </div></details><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.feature" class="structfield small-section-header"><a href="#structfield.feature" class="anchor field"></a><code>feature: Vec<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>></code></span><div class="docblock"><p>the vector of features</p> |
| </div><span id="structfield.target" class="structfield small-section-header"><a href="#structfield.target" class="anchor field"></a><code>target: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a></code></span><div class="docblock"><p>the target value of the sample to be fit in one decistion tree. This value is calculated by gradient boost algorithm. If you want to use the decision tree with “SquaredError” directly, set this value with <code>label</code> value </p> |
| </div><span id="structfield.weight" class="structfield small-section-header"><a href="#structfield.weight" class="anchor field"></a><code>weight: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a></code></span><div class="docblock"><p>sample’s weight. Used in training.</p> |
| </div><span id="structfield.label" class="structfield small-section-header"><a href="#structfield.label" class="anchor field"></a><code>label: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a></code></span><div class="docblock"><p>sample’s label. Used in training. This value is the actual value of the training sample.</p> |
| </div><span id="structfield.residual" class="structfield small-section-header"><a href="#structfield.residual" class="anchor field"></a><code>residual: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a></code></span><div class="docblock"><p>used by LAD loss. Calculated by gradient boost algorithm.</p> |
| </div><span id="structfield.initial_guess" class="structfield small-section-header"><a href="#structfield.initial_guess" class="anchor field"></a><code>initial_guess: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a></code></span><div class="docblock"><p>used by gradient boost. Set this value if Config::initial_guess_enabled is true.</p> |
| </div><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#156-217">source</a><a href="#impl-Data" class="anchor"></a><h3 class="code-header">impl <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new_training_data" class="method has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#179-193">source</a><h4 class="code-header">pub fn <a href="#method.new_training_data" class="fnname">new_training_data</a>(<br> feature: Vec<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>>,<br> weight: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>,<br> label: <a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>,<br> initial_guess: Option<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>><br>) -> Self</h4></section></summary><div class="docblock"><p>Generate a training sample.</p> |
| <p>feature: the vector of features</p> |
| <p>weight: sample’s weight</p> |
| <p>label: sample’s label</p> |
| <p>initial_guess: initial prediction for the sample. This value is optional. Set this value if Config::initial_guess_enabled is true.</p> |
| <h5 id="example"><a href="#example">Example</a></h5> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>gbdt::decision_tree::Data; |
| <span class="kw">let </span>data1 = Data::new_training_data(<span class="macro">vec!</span>[<span class="number">1.0</span>, <span class="number">2.0</span>, <span class="number">3.0</span>], |
| <span class="number">1.0</span>, |
| <span class="number">2.0</span>, |
| <span class="prelude-val">Some</span>(<span class="number">0.5</span>)); |
| <span class="kw">let </span>data2 = Data::new_training_data(<span class="macro">vec!</span>[<span class="number">1.0</span>, <span class="number">2.0</span>, <span class="number">3.0</span>], |
| <span class="number">1.0</span>, |
| <span class="number">2.0</span>, |
| <span class="prelude-val">None</span>);</code></pre></div> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new_test_data" class="method has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#207-216">source</a><h4 class="code-header">pub fn <a href="#method.new_test_data" class="fnname">new_test_data</a>(feature: Vec<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>>, label: Option<<a class="type" href="type.ValueType.html" title="type gbdt::decision_tree::ValueType">ValueType</a>>) -> Self</h4></section></summary><div class="docblock"><p>Generate a test sample.</p> |
| <p>label: sample’s label. It’s optional.</p> |
| <h5 id="example-1"><a href="#example-1">Example</a></h5> |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>gbdt::decision_tree::Data; |
| <span class="kw">let </span>data1 = Data::new_test_data(<span class="macro">vec!</span>[<span class="number">1.0</span>, <span class="number">2.0</span>, <span class="number">3.0</span>], |
| <span class="prelude-val">Some</span>(<span class="number">0.5</span>)); |
| <span class="kw">let </span>data2 = Data::new_test_data(<span class="macro">vec!</span>[<span class="number">1.0</span>, <span class="number">2.0</span>, <span class="number">3.0</span>], |
| <span class="prelude-val">None</span>);</code></pre></div> |
| </div></details></div></details></div><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-Clone-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#impl-Clone-for-Data" class="anchor"></a><h3 class="code-header">impl Clone for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone</a>(&self) -> <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" 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.clone_from" class="anchor"></a><h4 class="code-header">const fn <a class="fnname">clone_from</a>(&mut self, source: &Self)</h4></section></summary><div class='docblock'>Performs copy-assignment from <code>source</code>. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#impl-Debug-for-Data" class="anchor"></a><h3 class="code-header">impl Debug for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></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/gbdt/decision_tree.rs.html#140">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-Deserialize%3C%27de%3E-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#impl-Deserialize%3C%27de%3E-for-Data" class="anchor"></a><h3 class="code-header">impl<'de> <a class="trait" href="../../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de> for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.deserialize" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#method.deserialize" class="anchor"></a><h4 class="code-header">fn <a href="../../serde/de/trait.Deserialize.html#tymethod.deserialize" class="fnname">deserialize</a><__D>(__deserializer: __D) -> Result<Self, __D::<a class="associatedtype" href="../../serde/de/trait.Deserializer.html#associatedtype.Error" title="type serde::de::Deserializer::Error">Error</a>><span class="where fmt-newline">where<br> __D: <a class="trait" href="../../serde/de/trait.Deserializer.html" title="trait serde::de::Deserializer">Deserializer</a><'de>,</span></h4></section></summary><div class='docblock'>Deserialize this value from the given Serde deserializer. <a href="../../serde/de/trait.Deserialize.html#tymethod.deserialize">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Serialize-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#impl-Serialize-for-Data" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="../../serde/ser/trait.Serialize.html" title="trait serde::ser::Serialize">Serialize</a> for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.serialize" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/gbdt/decision_tree.rs.html#140">source</a><a href="#method.serialize" class="anchor"></a><h4 class="code-header">fn <a href="../../serde/ser/trait.Serialize.html#tymethod.serialize" class="fnname">serialize</a><__S>(&self, __serializer: __S) -> Result<__S::<a class="associatedtype" href="../../serde/ser/trait.Serializer.html#associatedtype.Ok" title="type serde::ser::Serializer::Ok">Ok</a>, __S::<a class="associatedtype" href="../../serde/ser/trait.Serializer.html#associatedtype.Error" title="type serde::ser::Serializer::Error">Error</a>><span class="where fmt-newline">where<br> __S: <a class="trait" href="../../serde/ser/trait.Serializer.html" title="trait serde::ser::Serializer">Serializer</a>,</span></h4></section></summary><div class='docblock'>Serialize this value into the given Serde serializer. <a href="../../serde/ser/trait.Serialize.html#tymethod.serialize">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-Data" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-Data" class="anchor"></a><h3 class="code-header">impl RefUnwindSafe for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section><section id="impl-Send-for-Data" class="impl has-srclink"><a href="#impl-Send-for-Data" class="anchor"></a><h3 class="code-header">impl Send for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section><section id="impl-Sync-for-Data" class="impl has-srclink"><a href="#impl-Sync-for-Data" class="anchor"></a><h3 class="code-header">impl Sync for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section><section id="impl-Unpin-for-Data" class="impl has-srclink"><a href="#impl-Unpin-for-Data" class="anchor"></a><h3 class="code-header">impl Unpin for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></h3></section><section id="impl-UnwindSafe-for-Data" class="impl has-srclink"><a href="#impl-UnwindSafe-for-Data" class="anchor"></a><h3 class="code-header">impl UnwindSafe for <a class="struct" href="struct.Data.html" title="struct gbdt::decision_tree::Data">Data</a></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-Data" class="impl has-srclink"><a href="#impl-Any-for-Data" 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-Data" class="impl has-srclink"><a href="#impl-Borrow%3CT%3E-for-Data" 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-Data" class="impl has-srclink"><a href="#impl-BorrowMut%3CT%3E-for-Data" 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-Data" class="impl has-srclink"><a href="#impl-From%3CT%3E-for-Data" 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-Data" class="impl has-srclink"><a href="#impl-Into%3CU%3E-for-Data" 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-ToOwned-for-Data" class="impl has-srclink"><a href="#impl-ToOwned-for-Data" class="anchor"></a><h3 class="code-header">impl<T> ToOwned for T<span class="where fmt-newline">where<br> T: Clone,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a>Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a class="fnname">clone_into</a>(&self, target: &mut T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a>Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-Data" class="impl has-srclink"><a href="#impl-TryFrom%3CU%3E-for-Data" 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-Data" class="impl has-srclink"><a href="#impl-TryInto%3CU%3E-for-Data" 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><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-VZip%3CV%3E-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/ppv_lite86/types.rs.html#221">source</a><a href="#impl-VZip%3CV%3E-for-Data" class="anchor"></a><h3 class="code-header">impl<V, T> <a class="trait" href="../../ppv_lite86/types/trait.VZip.html" title="trait ppv_lite86::types::VZip">VZip</a><V> for T<span class="where fmt-newline">where<br> V: <a class="trait" href="../../ppv_lite86/types/trait.MultiLane.html" title="trait ppv_lite86::types::MultiLane">MultiLane</a><T>,</span></h3></section></summary><div class="impl-items"><section id="method.vzip" class="method trait-impl has-srclink"><a class="srclink rightside" href="../../src/ppv_lite86/types.rs.html#226">source</a><a href="#method.vzip" class="anchor"></a><h4 class="code-header">fn <a href="../../ppv_lite86/types/trait.VZip.html#tymethod.vzip" class="fnname">vzip</a>(self) -> V</h4></section></div></details><section id="impl-DeserializeOwned-for-Data" class="impl has-srclink"><a class="srclink rightside" href="../../src/serde/de/mod.rs.html#604">source</a><a href="#impl-DeserializeOwned-for-Data" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="../../serde/de/trait.DeserializeOwned.html" title="trait serde::de::DeserializeOwned">DeserializeOwned</a> for T<span class="where fmt-newline">where<br> T: for<'de> <a class="trait" href="../../serde/de/trait.Deserialize.html" title="trait serde::de::Deserialize">Deserialize</a><'de>,</span></h3></section></div></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="gbdt" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
