| <!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="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/tonic-0.6.2/src/extensions.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>extensions.rs - source</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="../../source-script.js"></script><script defer src="../../source-files.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 source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../tonic/index.html"><div class="logo-container"> |
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| <img src="https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg" alt="logo"></a><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="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="kw">use </span>std::fmt; |
| |
| <span class="doccomment">/// A type map of protocol extensions. |
| /// |
| /// `Extensions` can be used by [`Interceptor`] and [`Request`] to store extra data derived from |
| /// the underlying protocol. |
| /// |
| /// [`Interceptor`]: crate::service::Interceptor |
| /// [`Request`]: crate::Request |
| </span><span class="kw">pub struct </span>Extensions { |
| inner: http::Extensions, |
| } |
| |
| <span class="kw">impl </span>Extensions { |
| <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>new() -> <span class="self">Self </span>{ |
| <span class="self">Self </span>{ |
| inner: http::Extensions::new(), |
| } |
| } |
| |
| <span class="doccomment">/// Insert a type into this `Extensions`. |
| /// |
| /// If a extension of this type already existed, it will |
| /// be returned. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>insert<T: Send + Sync + <span class="lifetime">'static</span>>(<span class="kw-2">&mut </span><span class="self">self</span>, val: T) -> <span class="prelude-ty">Option</span><T> { |
| <span class="self">self</span>.inner.insert(val) |
| } |
| |
| <span class="doccomment">/// Get a reference to a type previously inserted on this `Extensions`. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get<T: Send + Sync + <span class="lifetime">'static</span>>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span>T> { |
| <span class="self">self</span>.inner.get() |
| } |
| |
| <span class="doccomment">/// Get a mutable reference to a type previously inserted on this `Extensions`. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>get_mut<T: Send + Sync + <span class="lifetime">'static</span>>(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>T> { |
| <span class="self">self</span>.inner.get_mut() |
| } |
| |
| <span class="doccomment">/// Remove a type from this `Extensions`. |
| /// |
| /// If a extension of this type existed, it will be returned. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>remove<T: Send + Sync + <span class="lifetime">'static</span>>(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="prelude-ty">Option</span><T> { |
| <span class="self">self</span>.inner.remove() |
| } |
| |
| <span class="doccomment">/// Clear the `Extensions` of all inserted extensions. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>clear(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="self">self</span>.inner.clear() |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>from_http(http: http::Extensions) -> <span class="self">Self </span>{ |
| <span class="self">Self </span>{ inner: http } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>into_http(<span class="self">self</span>) -> http::Extensions { |
| <span class="self">self</span>.inner |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Extensions { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result { |
| f.debug_struct(<span class="string">"Extensions"</span>).finish() |
| } |
| } |
| </code></pre></div> |
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