<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="The basic `Parser` trait for errors"><title>ParserError in winnow::error - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><linkrel="stylesheet"href="../../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../../static.files/rustdoc-5bc39a1768837dd0.css"><metaname="rustdoc-vars"data-root-path="../../"data-static-root-path="../../static.files/"data-current-crate="winnow"data-themes=""data-resource-suffix=""data-rustdoc-version="1.77.0 (aedd173a2 2024-03-17)"data-channel="1.77.0"data-search-js="search-dd67cee4cfa65049.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../../static.files/storage-4c98445ec4002617.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../static.files/main-48f368f3872407c8.js"></script><noscript><linkrel="stylesheet"href="../../static.files/noscript-04d5337699b92874.css"></noscript><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><linkrel="alternate icon"type="image/png"href="../../static.files/favicon-32x32-422f7d1d52889060.png"><linkrel="icon"type="image/svg+xml"href="../../static.files/favicon-2c020d218678b618.svg"></head><bodyclass="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle"title="show sidebar"></button></nav><navclass="sidebar"><divclass="sidebar-crate"><h2><ahref="../../winnow/index.html">winnow</a><spanclass="version">0.6.5</span></h2></div><h2class="location"><ahref="#">ParserError</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-methods">Required Methods</a></h3><ulclass="block"><li><ahref="#tymethod.append">append</a></li><li><ahref="#tymethod.from_error_kind">from_error_kind</a></li></ul><h3><ahref="#provided-methods">Provided Methods</a></h3><ulclass="block"><li><ahref="#method.assert">assert</a></li><li><ahref="#method.or">or</a></li></ul><h3><ahref="#foreign-impls">Implementations on Foreign Types</a></h3><ulclass="block"><li><ahref="#impl-ParserError%3CI%3E-for-()">()</a></li></ul><h3><ahref="#object-safety">Object Safety</a></h3><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In winnow::error</a></h2></div></nav><divclass="sidebar-resizer"></div>
<main><divclass="width-limiter"><navclass="sub"><formclass="search-form"><span></span><divid="sidebar-button"tabindex="-1"><ahref="../../winnow/all.html"title="show sidebar"></a></div><inputclass="search-input"name="search"aria-label="Run search in the documentation"autocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="search"><divid="help-button"tabindex="-1"><ahref="../../help.html"title="help">?</a></div><divid="settings-menu"tabindex="-1"><ahref="../../settings.html"title="settings"><imgwidth="22"height="22"alt="Change settings"src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><sectionid="main-content"class="content"><divclass="main-heading"><h1>Trait <ahref="../index.html">winnow</a>::<wbr><ahref="index.html">error</a>::<wbr><aclass="trait"href="#">ParserError</a><buttonid="copy-path"title="Copy item path to clipboard"><imgsrc="../../static.files/clipboard-7571035ce49a181d.svg"width="19"height="18"alt="Copy item path"></button></h1><spanclass="out-of-band"><aclass="src"href="../../src/winnow/error.rs.html#270-300">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait ParserError<I: <aclass="trait"href="../stream/trait.Stream.html"title="trait winnow::stream::Stream">Stream</a>>: <aclass="trait"href="https://doc.rust-lang.org/1.77.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a> {
</div></details><h2id="required-methods"class="section-header">Required Methods<ahref="#required-methods"class="anchor">§</a></h2><divclass="methods"><detailsclass="toggle method-toggle"open><summary><sectionid="tymethod.from_error_kind"class="method"><aclass="src rightside"href="../../src/winnow/error.rs.html#272">source</a><h4class="code-header">fn <ahref="#tymethod.from_error_kind"class="fn">from_error_kind</a>(input: <aclass="primitive"href="https://doc.rust-lang.org/1.77.0/std/primitive.reference.html">&I</a>, kind: <aclass="enum"href="enum.ErrorKind.html"title="enum winnow::error::ErrorKind">ErrorKind</a>) -> Self</h4></section></summary><divclass="docblock"><p>Creates an error from the input position and an <ahref="enum.ErrorKind.html"title="enum winnow::error::ErrorKind"><code>ErrorKind</code></a></p>
) -> Self</h4></section></summary><divclass="docblock"><p>Like <ahref="trait.ParserError.html#tymethod.from_error_kind"title="associated function winnow::error::ParserError::from_error_kind"><code>ParserError::from_error_kind</code></a> but merges it with the existing error.</p>
<p>This is useful when backtracking through a parse tree, accumulating error context on the
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="method.or"class="method"><aclass="src rightside"href="../../src/winnow/error.rs.html#297-299">source</a><h4class="code-header">fn <ahref="#method.or"class="fn">or</a>(self, other: Self) -> Self</h4></section></summary><divclass="docblock"><p>Combines errors from two different parse branches.</p>
<p>For example, this would be used by <ahref="../combinator/fn.alt.html"title="fn winnow::combinator::alt"><code>alt</code></a> to report the error from
