<!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 `collections`."> <meta name="keywords" content="rust, rustlang, rust-lang, ToString"> <title>collections::string::ToString - Rust</title> <link rel="stylesheet" type="text/css" href="../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../rustdoc.css"> <link rel="stylesheet" type="text/css" href="../../main.css"> <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"> <a href='../../collections/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="block items"><ul><li><a href="#required-methods">Required Methods</a></li><li><a href="#implementors">Implementors</a></li></ul></div><p class='location'><a href='../index.html'>collections</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> </nav> <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"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Trait <a href='../index.html'>collections</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/collections/string.rs.html#1998-2013' title='goto source code'>[src]</a></span></h1> <pre class='rust trait'>pub trait ToString { fn <a href='#tymethod.to_string' class='fnname'>to_string</a>(&self) -> <a class="struct" href="../../collections/string/struct.String.html" title="struct collections::string::String">String</a>; }</pre><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'>Required Methods</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="../../collections/string/struct.String.html" title="struct collections::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>());<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=fn%20main()%20%7B%0Alet%20i%20%3D%205%3B%0Alet%20five%20%3D%20String%3A%3Afrom(%225%22)%3B%0A%0Aassert_eq!(five%2C%20i.to_string())%3B%0A%7D">Run</a></pre> </div></div> <h2 id='implementors'>Implementors</h2> <ul class='item-list' id='implementors-list'> <li><code>impl<T: <a class="trait" href="../../collections/fmt/trait.Display.html" title="trait collections::fmt::Display">Display</a> + ?<a class="trait" href="../../core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>> ToString for T</code></li> <li><code>impl ToString for str</code></li> <li><code>impl<'a> ToString for <a class="enum" href="../../collections/borrow/enum.Cow.html" title="enum collections::borrow::Cow">Cow</a><'a, str></code></li> <li><code>impl ToString for <a class="struct" href="../../collections/string/struct.String.html" title="struct collections::string::String">String</a></code></li> </ul><script type="text/javascript" async src="../../implementors/collections/string/trait.ToString.js"> </script></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt>?</dt> <dd>Show this help dialog</dd> <dt>S</dt> <dd>Focus the search field</dd> <dt>⇤</dt> <dd>Move up in search results</dd> <dt>⇥</dt> <dd>Move down in search results</dd> <dt>⏎</dt> <dd>Go to active search result</dd> <dt>+</dt> <dd>Collapse/expand all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../"; window.currentCrate = "collections"; </script> <script src="../../main.js"></script> <script defer src="../../search-index.js"></script> </body> </html>