<!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="A trait implemented by `Source` caches."><title>Cache in ariadne - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><linkrel="stylesheet"href="../static.files/normalize-76eba96aa4d2e634.css"><linkrel="stylesheet"href="../static.files/rustdoc-dd39b87e5fcfba68.css"><metaname="rustdoc-vars"data-root-path="../"data-static-root-path="../static.files/"data-current-crate="ariadne"data-themes=""data-resource-suffix=""data-rustdoc-version="1.80.0 (051478957 2024-07-21)"data-channel="1.80.0"data-search-js="search-d52510db62a78183.js"data-settings-js="settings-4313503d2e1961c2.js"><scriptsrc="../static.files/storage-118b08c4c78b968e.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../static.files/main-20a3ad099b048cf2.js"></script><noscript><linkrel="stylesheet"href="../static.files/noscript-df360f571f6edeae.css"></noscript><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="../ariadne/index.html">ariadne</a><spanclass="version">0.4.1</span></h2></div><h2class="location"><ahref="#">Cache</a></h2><divclass="sidebar-elems"><section><h3><ahref="#required-associated-types">Required Associated Types</a></h3><ulclass="block"><li><ahref="#associatedtype.Storage">Storage</a></li></ul><h3><ahref="#required-methods">Required Methods</a></h3><ulclass="block"><li><ahref="#tymethod.display">display</a></li><li><ahref="#tymethod.fetch">fetch</a></li></ul><h3><ahref="#foreign-impls">Implementations on Foreign Types</a></h3><ulclass="block"><li><ahref="#impl-Cache%3CId%3E-for-%26mut+C">&'b mut C</a></li><li><ahref="#impl-Cache%3CId%3E-for-(Id,+Source%3CI%3E)">(Id, Source<I>)</a></li><li><ahref="#impl-Cache%3CId%3E-for-Box%3CC%3E">Box<C></a></li></ul><h3><ahref="#implementors">Implementors</a></h3></section><h2><ahref="index.html">In crate ariadne</a></h2></div></nav><divclass="sidebar-resizer"></div><main><divclass="width-limiter"><rustdoc-search></rustdoc-search><sectionid="main-content"class="content"><divclass="main-heading"><h1>Trait <ahref="index.html">ariadne</a>::<wbr><aclass="trait"href="#">Cache</a><buttonid="copy-path"title="Copy item path to clipboard">Copy item path</button></h1><spanclass="out-of-band"><aclass="src"href="../src/ariadne/source.rs.html#11-28">source</a> · <buttonid="toggle-all-docs"title="collapse all docs">[<span>−</span>]</button></span></div><preclass="rust item-decl"><code>pub trait Cache<Id: ?<aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/marker/trait.Sized.html"title="trait core::marker::Sized">Sized</a>> {
type <ahref="#associatedtype.Storage"class="associatedtype">Storage</a>: <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/convert/trait.AsRef.html"title="trait core::convert::AsRef">AsRef</a><<aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.str.html">str</a>>;
</div></details><h2id="required-associated-types"class="section-header">Required Associated Types<ahref="#required-associated-types"class="anchor">§</a></h2><divclass="methods"><detailsclass="toggle"open><summary><sectionid="associatedtype.Storage"class="method"><aclass="src rightside"href="../src/ariadne/source.rs.html#17">source</a><h4class="code-header">type <ahref="#associatedtype.Storage"class="associatedtype">Storage</a>: <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/convert/trait.AsRef.html"title="trait core::convert::AsRef">AsRef</a><<aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.str.html">str</a>></h4></section></summary><divclass="docblock"><p>The type used to store the string data for this cache.</p>
) -><aclass="enum"href="https://doc.rust-lang.org/1.80.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><&<aclass="struct"href="struct.Source.html"title="struct ariadne::Source">Source</a><Self::<aclass="associatedtype"href="trait.Cache.html#associatedtype.Storage"title="type ariadne::Cache::Storage">Storage</a>>, <aclass="struct"href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><dyn <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/fmt/trait.Debug.html"title="trait core::fmt::Debug">Debug</a> + '_>></h4></section></summary><divclass="docblock"><p>Fetch the <ahref="struct.Source.html"title="struct ariadne::Source"><code>Source</code></a> identified by the given ID, if possible.</p>
</div></details><detailsclass="toggle method-toggle"open><summary><sectionid="tymethod.display"class="method"><aclass="src rightside"href="../src/ariadne/source.rs.html#27">source</a><h4class="code-header">fn <ahref="#tymethod.display"class="fn">display</a><'a>(&self, id: <aclass="primitive"href="https://doc.rust-lang.org/1.80.0/std/primitive.reference.html">&'a Id</a>) -><aclass="enum"href="https://doc.rust-lang.org/1.80.0/core/option/enum.Option.html"title="enum core::option::Option">Option</a><<aclass="struct"href="https://doc.rust-lang.org/1.80.0/alloc/boxed/struct.Box.html"title="struct alloc::boxed::Box">Box</a><dyn <aclass="trait"href="https://doc.rust-lang.org/1.80.0/core/fmt/trait.Display.html"title="trait core::fmt::Display">Display</a> + 'a>></h4></section></summary><divclass="docblock"><p>Display the given ID. as a single inline value.</p>