| <!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="Parses an ASCII hexdecimal digit (accepts both uppercase and lowercase)."><meta name="keywords" content="rust, rustlang, rust-lang, hex_digit"><title>hex_digit in combine::parser::byte - 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 fn"><!--[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="../../../combine/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="../../../combine/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2><a href="index.html">In combine::parser::byte</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">Function <a href="../../index.html">combine</a>::<wbr><a href="../index.html">parser</a>::<wbr><a href="index.html">byte</a>::<wbr><a class="fn" href="#">hex_digit</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/combine/parser/byte.rs.html#234-240">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 fn"><code>pub fn hex_digit<Input>() -> impl <a class="trait" href="../../trait.Parser.html" title="trait combine::Parser">Parser</a><Input, Output = u8, PartialState = ()><span class="where fmt-newline">where<br> Input: <a class="trait" href="../../trait.Stream.html" title="trait combine::Stream">Stream</a><Token = u8>,<br> Input::<a class="associatedtype" href="../../trait.StreamOnce.html#associatedtype.Error" title="type combine::StreamOnce::Error">Error</a>: <a class="trait" href="../../trait.ParseError.html" title="trait combine::ParseError">ParseError</a><Input::<a class="associatedtype" href="../../trait.StreamOnce.html#associatedtype.Token" title="type combine::StreamOnce::Token">Token</a>, Input::<a class="associatedtype" href="../../trait.StreamOnce.html#associatedtype.Range" title="type combine::StreamOnce::Range">Range</a>, Input::<a class="associatedtype" href="../../trait.StreamOnce.html#associatedtype.Position" title="type combine::StreamOnce::Position">Position</a>>,</span></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Parses an ASCII hexdecimal digit (accepts both uppercase and lowercase).</p> |
| |
| <div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>combine::Parser; |
| <span class="kw">use </span>combine::parser::byte::hex_digit; |
| <span class="macro">assert_eq!</span>(hex_digit().parse(<span class="kw-2">&</span><span class="string">b"F"</span>[..]), <span class="prelude-val">Ok</span>((<span class="string">b'F'</span>, <span class="kw-2">&</span><span class="string">b""</span>[..]))); |
| <span class="macro">assert!</span>(hex_digit().parse(<span class="kw-2">&</span><span class="string">b"H"</span>[..]).is_err());</code></pre></div> |
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