| <!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="Layer traits and extensions."><meta name="keywords" content="rust, rustlang, rust-lang, tower_layer"><title>tower_layer - 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="../crates.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 mod crate"><!--[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="../tower_layer/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="../tower_layer/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Crate tower_layer</a></h2><div class="sidebar-elems"><ul class="block"><li class="version">Version 0.3.2</li><li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></section></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">Crate <a class="mod" href="#">tower_layer</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/tower_layer/lib.rs.html#1-112">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Layer traits and extensions.</p> |
| <p>A layer decorates an service and provides additional functionality. It |
| allows other services to be composed with the service that implements layer.</p> |
| <p>A middleware implements the <a href="trait.Layer.html" title="Layer"><code>Layer</code></a> and <a href="https://docs.rs/tower/latest/tower/trait.Service.html"><code>Service</code></a> trait.</p> |
| </div></details><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.Identity.html" title="tower_layer::Identity struct">Identity</a></div><div class="item-right docblock-short">A no-op middleware.</div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.LayerFn.html" title="tower_layer::LayerFn struct">LayerFn</a></div><div class="item-right docblock-short">A <code>Layer</code> implemented by a closure. See the docs for <a href="fn.layer_fn.html" title="layer_fn"><code>layer_fn</code></a> for more details.</div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.Stack.html" title="tower_layer::Stack struct">Stack</a></div><div class="item-right docblock-short">Two middlewares chained together.</div></div></div><h2 id="traits" class="small-section-header"><a href="#traits">Traits</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="trait" href="trait.Layer.html" title="tower_layer::Layer trait">Layer</a></div><div class="item-right docblock-short">Decorates a <a href="https://docs.rs/tower/latest/tower/trait.Service.html"><code>Service</code></a>, transforming either the request or the response.</div></div></div><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.layer_fn.html" title="tower_layer::layer_fn fn">layer_fn</a></div><div class="item-right docblock-short">Returns a new <a href="struct.LayerFn.html" title="LayerFn"><code>LayerFn</code></a> that implements <a href="trait.Layer.html" title="Layer"><code>Layer</code></a> by calling the |
| given function.</div></div></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="tower_layer" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
