<!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="API documentation for the Rust `ToString` trait in crate `alloc`."><meta name="keywords" content="rust, rustlang, rust-lang, ToString"><title>alloc::string::ToString - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc trait"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../alloc/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><p class='location'>Trait ToString</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#required-methods">Required Methods</a><div class="sidebar-links"><a href="#tymethod.to_string">to_string</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='../index.html'>alloc</a>::<wbr><a href='index.html'>string</a></p><script>window.sidebarCurrent = {name: 'ToString', ty: 'trait', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Trait <a href='../index.html'>alloc</a>::<wbr><a href='index.html'>string</a>::<wbr><a class="trait" href=''>ToString</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../src/alloc/string.rs.html#2120-2136' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust trait'>pub trait ToString {
fn <a href='#tymethod.to_string' class='fnname'>to_string</a>(&self) -> <a class="struct" href="../../alloc/string/struct.String.html" title="struct alloc::string::String">String</a>;
}</pre></div><div class='docblock'><p>A trait for converting a value to a <code>String</code>.</p>
<p>This trait is automatically implemented for any type which implements the
<a href="../../std/fmt/trait.Display.html"><code>Display</code></a> trait. As such, <code>ToString</code> shouldn't be implemented directly:
<a href="../../std/fmt/trait.Display.html"><code>Display</code></a> should be implemented instead, and you get the <code>ToString</code>
implementation for free.</p>
</div>
<h2 id='required-methods' class='small-section-header'>
Required Methods<a href='#required-methods' class='anchor'></a>
</h2>
<div class='methods'>
<h3 id='tymethod.to_string' class='method'><span id='to_string.v' class='invisible'><code>fn <a href='#tymethod.to_string' class='fnname'>to_string</a>(&self) -> <a class="struct" href="../../alloc/string/struct.String.html" title="struct alloc::string::String">String</a></code></span></h3><div class='docblock'><p>Converts the given value to a <code>String</code>.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<p>Basic usage:</p>
<pre class="rust rust-example-rendered">
<span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="number">5</span>;
<span class="kw">let</span> <span class="ident">five</span> <span class="op">=</span> <span class="ident">String</span>::<span class="ident">from</span>(<span class="string">"5"</span>);
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">five</span>, <span class="ident">i</span>.<span class="ident">to_string</span>());</pre>
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<h2 id='implementors' class='small-section-header'>
Implementors<a href='#implementors' class='anchor'></a>
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<ul class='item-list' id='implementors-list'>
<li><table class='table-display'><tbody><tr><td><code>impl<T: <a class="trait" href="../../alloc/fmt/trait.Display.html" title="trait alloc::fmt::Display">Display</a> + ?<a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> ToString for T</code><td><div class='out-of-band'><a class='srclink' href='../../src/alloc/string.rs.html#2145-2155' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
<li><table class='table-display'><tbody><tr><td><code>impl ToString for str</code><td><div class='out-of-band'><a class='srclink' href='../../src/alloc/string.rs.html#2158-2163' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
<li><table class='table-display'><tbody><tr><td><code>impl<'a> ToString for <a class="enum" href="../../alloc/borrow/enum.Cow.html" title="enum alloc::borrow::Cow">Cow</a><'a, str></code><td><div class='out-of-band'><a class='srclink' href='../../src/alloc/string.rs.html#2166-2171' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
<li><table class='table-display'><tbody><tr><td><code>impl ToString for <a class="struct" href="../../alloc/string/struct.String.html" title="struct alloc::string::String">String</a></code><td><div class='out-of-band'><a class='srclink' href='../../src/alloc/string.rs.html#2174-2179' title='goto source code'>[src]</a></div></td></tr></tbody></table></li>
</ul><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
src="../../implementors/alloc/string/trait.ToString.js">
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