<!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 `ToCp437` trait in crate `codepage_437`."><meta name="keywords" content="rust, rustlang, rust-lang, ToCp437"><title>codepage_437::ToCp437 - 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></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><p class='location'>Trait ToCp437</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_cp437">to_cp437</a></div><a class="sidebar-title" href="#foreign-impls">Implementations on Foreign Types</a><div class="sidebar-links"><a href="#impl-ToCp437%3C%27s%2C%20Cow%3C%27s%2C%20%5Bu8%5D%3E%3E">str</a></div><a class="sidebar-title" href="#implementors">Implementors</a></div><p class='location'><a href='index.html'>codepage_437</a></p><script>window.sidebarCurrent = {name: 'ToCp437', 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" spellcheck="false" 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='out-of-band'><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/codepage_437/encode.rs.html#212-215' title='goto source code'>[src]</a></span><span class='in-band'>Trait <a href='index.html'>codepage_437</a>::<wbr><a class="trait" href=''>ToCp437</a></span></h1><div class="docblock type-decl hidden-by-usual-hider"><pre class='rust trait'>pub trait ToCp437<'s, T> {
fn <a href='#tymethod.to_cp437' class='fnname'>to_cp437</a>(&'s self, dialect: &<a class="struct" href="../codepage_437/struct.Cp437Dialect.html" title="struct codepage_437::Cp437Dialect">Cp437Dialect</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../codepage_437/struct.Cp437Error.html" title="struct codepage_437::Cp437Error">Cp437Error</a>>;
}</pre></div><div class='docblock'><p>Borrow (if possible) Unicode data as cp437 data.</p>
<h1 id="examples" class="section-header"><a href="#examples">Examples</a></h1>
<p>Good:</p>
<pre class="rust rust-example-rendered">
<span class="kw">let</span> <span class="ident">cp437</span> <span class="op">=</span> [<span class="number">0x4C</span>, <span class="number">0x6F</span>, <span class="number">0x63</span>, <span class="number">0x61</span>, <span class="number">0x6C</span>, <span class="number">0x20</span>, <span class="number">0x6E</span>, <span class="number">0x65</span>, <span class="number">0x77</span>, <span class="number">0x73</span>, <span class="number">0x20</span>, <span class="number">0x72</span>, <span class="number">0x65</span>,
<span class="number">0x70</span>, <span class="number">0x6F</span>, <span class="number">0x72</span>, <span class="number">0x74</span>, <span class="number">0x73</span>, <span class="number">0x20</span>, <span class="number">0x74</span>, <span class="number">0x68</span>, <span class="number">0x61</span>, <span class="number">0x74</span>, <span class="number">0x20</span>, <span class="number">0x74</span>, <span class="number">0x68</span>,
<span class="number">0x65</span>, <span class="number">0x20</span>, <span class="number">0x9E</span>, <span class="number">0xAB</span>, <span class="number">0x20</span>, <span class="number">0x6D</span>, <span class="number">0x69</span>, <span class="number">0x6C</span>, <span class="number">0x6C</span>, <span class="number">0x69</span>, <span class="number">0x6F</span>, <span class="number">0x6E</span>, <span class="number">0x20</span>,
<span class="number">0x41</span>, <span class="number">0x69</span>, <span class="number">0x72</span>, <span class="number">0x20</span>, <span class="number">0x4D</span>, <span class="number">0x65</span>, <span class="number">0x6C</span>, <span class="number">0x61</span>, <span class="number">0x6E</span>, <span class="number">0x65</span>, <span class="number">0x73</span>, <span class="number">0x69</span>, <span class="number">0x91</span>,
<span class="number">0x20</span>, <span class="number">0x61</span>, <span class="number">0x69</span>, <span class="number">0x72</span>, <span class="number">0x63</span>, <span class="number">0x72</span>, <span class="number">0x61</span>, <span class="number">0x66</span>, <span class="number">0x74</span>, <span class="number">0x20</span>, <span class="number">0x68</span>, <span class="number">0x61</span>, <span class="number">0x73</span>,
<span class="number">0x20</span>, <span class="number">0x63</span>, <span class="number">0x72</span>, <span class="number">0x61</span>, <span class="number">0x73</span>, <span class="number">0x68</span>, <span class="number">0x65</span>, <span class="number">0x64</span>, <span class="number">0x20</span>, <span class="number">0x74</span>, <span class="number">0x68</span>, <span class="number">0x69</span>, <span class="number">0x73</span>,
<span class="number">0x20</span>, <span class="number">0x6D</span>, <span class="number">0x6F</span>, <span class="number">0x72</span>, <span class="number">0x6E</span>, <span class="number">0x69</span>, <span class="number">0x6E</span>, <span class="number">0x67</span>, <span class="number">0x20</span>, <span class="number">0x61</span>, <span class="number">0x72</span>, <span class="number">0x6F</span>, <span class="number">0x75</span>,
<span class="number">0x6E</span>, <span class="number">0x64</span>, <span class="number">0x20</span>, <span class="number">0x39</span>, <span class="number">0x3A</span>, <span class="number">0x30</span>, <span class="number">0x30</span>, <span class="number">0x61</span>, <span class="number">0x6D</span>, <span class="number">0x2E</span>];
<span class="kw">let</span> <span class="ident">unicode</span> <span class="op">=</span> <span class="string">"Local news reports that the ₧½ million Air Melanesiæ aircraft has crashed this morning around 9:00am."</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">unicode</span>.<span class="ident">to_cp437</span>(<span class="kw-2">&</span><span class="ident">CP437_CONTROL</span>), <span class="prelude-val">Ok</span>(<span class="ident">cp437</span>[..].<span class="ident">into</span>()));</pre>
<p>Unrepresentable:</p>
<pre class="rust rust-example-rendered">
<span class="comment">// Ż cannot be represented in cp437</span>
<span class="kw">let</span> <span class="ident">unicode</span> <span class="op">=</span> <span class="string">"Jurek je żurek w żupanie."</span>;
<span class="kw">let</span> <span class="ident">error</span> <span class="op">=</span> <span class="ident">unicode</span>.<span class="ident">to_cp437</span>(<span class="kw-2">&</span><span class="ident">CP437_CONTROL</span>).<span class="ident">unwrap_err</span>();
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">error</span>.<span class="ident">representable_up_to</span>, <span class="number">9</span>);</pre>
</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_cp437' class='method'><span id='to_cp437.v' class='invisible'><code>fn <a href='#tymethod.to_cp437' class='fnname'>to_cp437</a>(&'s self, dialect: &<a class="struct" href="../codepage_437/struct.Cp437Dialect.html" title="struct codepage_437::Cp437Dialect">Cp437Dialect</a>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <a class="struct" href="../codepage_437/struct.Cp437Error.html" title="struct codepage_437::Cp437Error">Cp437Error</a>></code></span></h3><div class='docblock'><p>Do the conversion.</p>
</div></div>
<h2 id='foreign-impls' class='small-section-header'>
Implementations on Foreign Types<a href='#foreign-impls' class='anchor'></a>
</h2>
<h3 id='impl-ToCp437%3C%27s%2C%20Cow%3C%27s%2C%20%5Bu8%5D%3E%3E' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s> <a class="trait" href="../codepage_437/trait.ToCp437.html" title="trait codepage_437::ToCp437">ToCp437</a><'s, <a class="enum" href="https://doc.rust-lang.org/nightly/alloc/borrow/enum.Cow.html" title="enum alloc::borrow::Cow">Cow</a><'s, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>> for <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a></code><a href='#impl-ToCp437%3C%27s%2C%20Cow%3C%27s%2C%20%5Bu8%5D%3E%3E' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/codepage_437/encode.rs.html#217-221' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.to_cp437' class="method"><span id='to_cp437.v-1' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.to_cp437' class='fnname'>to_cp437</a>(<br> &'s self, <br> dialect: &<a class="struct" href="../codepage_437/struct.Cp437Dialect.html" title="struct codepage_437::Cp437Dialect">Cp437Dialect</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/alloc/borrow/enum.Cow.html" title="enum alloc::borrow::Cow">Cow</a><'s, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>, <a class="struct" href="../codepage_437/struct.Cp437Error.html" title="struct codepage_437::Cp437Error">Cp437Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/codepage_437/encode.rs.html#218-220' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div><h2 id='implementors' class='small-section-header'>Implementors<a href='#implementors' class='anchor'></a></h2><div class='item-list' id='implementors-list'><h3 id='impl-ToCp437%3C%27s%2C%20Cow%3C%27s%2C%20%5Bu8%5D%3E%3E-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s, S: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.str.html">str</a>>> ToCp437<'s, <a class="enum" href="https://doc.rust-lang.org/nightly/alloc/borrow/enum.Cow.html" title="enum alloc::borrow::Cow">Cow</a><'s, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>> for S</code><a href='#impl-ToCp437%3C%27s%2C%20Cow%3C%27s%2C%20%5Bu8%5D%3E%3E-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/codepage_437/encode.rs.html#223-227' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.to_cp437-1' class="method"><span id='to_cp437.v-2' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='#method.to_cp437-1' class='fnname'>to_cp437</a>(<br> &'s self, <br> dialect: &<a class="struct" href="../codepage_437/struct.Cp437Dialect.html" title="struct codepage_437::Cp437Dialect">Cp437Dialect</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="enum" href="https://doc.rust-lang.org/nightly/alloc/borrow/enum.Cow.html" title="enum alloc::borrow::Cow">Cow</a><'s, <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">[</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.slice.html">]</a>>, <a class="struct" href="../codepage_437/struct.Cp437Error.html" title="struct codepage_437::Cp437Error">Cp437Error</a>></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/codepage_437/encode.rs.html#224-226' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div></div><script type="text/javascript">window.inlined_types=new Set([]);</script><script type="text/javascript" async
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