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<!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/http-0.2.9/src/request.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>request.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="../../http/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../http/index.html"><img class="rust-logo" src="../../rust-logo.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="doccomment">//! HTTP request types.
//!
//! This module contains structs related to HTTP requests, notably the
//! `Request` type itself as well as a builder to create requests. Typically
//! you&#39;ll import the `http::Request` type rather than reaching into this
//! module itself.
//!
//! # Examples
//!
//! Creating a `Request` to send
//!
//! ```no_run
//! use http::{Request, Response};
//!
//! let mut request = Request::builder()
//! .uri(&quot;https://www.rust-lang.org/&quot;)
//! .header(&quot;User-Agent&quot;, &quot;my-awesome-agent/1.0&quot;);
//!
//! if needs_awesome_header() {
//! request = request.header(&quot;Awesome&quot;, &quot;yes&quot;);
//! }
//!
//! let response = send(request.body(()).unwrap());
//!
//! # fn needs_awesome_header() -&gt; bool {
//! # true
//! # }
//! #
//! fn send(req: Request&lt;()&gt;) -&gt; Response&lt;()&gt; {
//! // ...
//! # panic!()
//! }
//! ```
//!
//! Inspecting a request to see what was sent.
//!
//! ```
//! use http::{Request, Response, StatusCode};
//!
//! fn respond_to(req: Request&lt;()&gt;) -&gt; http::Result&lt;Response&lt;()&gt;&gt; {
//! if req.uri() != &quot;/awesome-url&quot; {
//! return Response::builder()
//! .status(StatusCode::NOT_FOUND)
//! .body(())
//! }
//!
//! let has_awesome_header = req.headers().contains_key(&quot;Awesome&quot;);
//! let body = req.body();
//!
//! // ...
//! # panic!()
//! }
//! ```
</span><span class="kw">use </span>std::any::Any;
<span class="kw">use </span>std::convert::{TryFrom};
<span class="kw">use </span>std::fmt;
<span class="kw">use </span><span class="kw">crate</span>::header::{HeaderMap, HeaderName, HeaderValue};
<span class="kw">use </span><span class="kw">crate</span>::method::Method;
<span class="kw">use </span><span class="kw">crate</span>::version::Version;
<span class="kw">use crate</span>::{Extensions, <span class="prelude-ty">Result</span>, Uri};
<span class="doccomment">/// Represents an HTTP request.
///
/// An HTTP request consists of a head and a potentially optional body. The body
/// component is generic, enabling arbitrary types to represent the HTTP body.
/// For example, the body could be `Vec&lt;u8&gt;`, a `Stream` of byte chunks, or a
/// value that has been deserialized.
///
/// # Examples
///
/// Creating a `Request` to send
///
/// ```no_run
/// use http::{Request, Response};
///
/// let mut request = Request::builder()
/// .uri(&quot;https://www.rust-lang.org/&quot;)
/// .header(&quot;User-Agent&quot;, &quot;my-awesome-agent/1.0&quot;);
///
/// if needs_awesome_header() {
/// request = request.header(&quot;Awesome&quot;, &quot;yes&quot;);
/// }
///
/// let response = send(request.body(()).unwrap());
///
/// # fn needs_awesome_header() -&gt; bool {
/// # true
/// # }
/// #
/// fn send(req: Request&lt;()&gt;) -&gt; Response&lt;()&gt; {
/// // ...
/// # panic!()
/// }
/// ```
///
/// Inspecting a request to see what was sent.
///
/// ```
/// use http::{Request, Response, StatusCode};
///
/// fn respond_to(req: Request&lt;()&gt;) -&gt; http::Result&lt;Response&lt;()&gt;&gt; {
/// if req.uri() != &quot;/awesome-url&quot; {
/// return Response::builder()
/// .status(StatusCode::NOT_FOUND)
/// .body(())
/// }
///
/// let has_awesome_header = req.headers().contains_key(&quot;Awesome&quot;);
/// let body = req.body();
///
/// // ...
/// # panic!()
/// }
/// ```
///
/// Deserialize a request of bytes via json:
///
/// ```
/// # extern crate serde;
/// # extern crate serde_json;
/// # extern crate http;
/// use http::Request;
/// use serde::de;
///
/// fn deserialize&lt;T&gt;(req: Request&lt;Vec&lt;u8&gt;&gt;) -&gt; serde_json::Result&lt;Request&lt;T&gt;&gt;
/// where for&lt;&#39;de&gt; T: de::Deserialize&lt;&#39;de&gt;,
/// {
/// let (parts, body) = req.into_parts();
/// let body = serde_json::from_slice(&amp;body)?;
/// Ok(Request::from_parts(parts, body))
/// }
/// #
/// # fn main() {}
/// ```
///
/// Or alternatively, serialize the body of a request to json
///
/// ```
/// # extern crate serde;
/// # extern crate serde_json;
/// # extern crate http;
/// use http::Request;
/// use serde::ser;
///
/// fn serialize&lt;T&gt;(req: Request&lt;T&gt;) -&gt; serde_json::Result&lt;Request&lt;Vec&lt;u8&gt;&gt;&gt;
/// where T: ser::Serialize,
/// {
/// let (parts, body) = req.into_parts();
/// let body = serde_json::to_vec(&amp;body)?;
/// Ok(Request::from_parts(parts, body))
/// }
/// #
/// # fn main() {}
/// ```
</span><span class="kw">pub struct </span>Request&lt;T&gt; {
head: Parts,
body: T,
}
<span class="doccomment">/// Component parts of an HTTP `Request`
///
/// The HTTP request head consists of a method, uri, version, and a set of
/// header fields.
</span><span class="kw">pub struct </span>Parts {
<span class="doccomment">/// The request&#39;s method
</span><span class="kw">pub </span>method: Method,
<span class="doccomment">/// The request&#39;s URI
</span><span class="kw">pub </span>uri: Uri,
<span class="doccomment">/// The request&#39;s version
</span><span class="kw">pub </span>version: Version,
<span class="doccomment">/// The request&#39;s headers
</span><span class="kw">pub </span>headers: HeaderMap&lt;HeaderValue&gt;,
<span class="doccomment">/// The request&#39;s extensions
</span><span class="kw">pub </span>extensions: Extensions,
_priv: (),
}
<span class="doccomment">/// An HTTP request builder
///
/// This type can be used to construct an instance or `Request`
/// through a builder-like pattern.
</span><span class="attribute">#[derive(Debug)]
</span><span class="kw">pub struct </span>Builder {
inner: <span class="prelude-ty">Result</span>&lt;Parts&gt;,
}
<span class="kw">impl </span>Request&lt;()&gt; {
<span class="doccomment">/// Creates a new builder-style object to manufacture a `Request`
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request = Request::builder()
/// .method(&quot;GET&quot;)
/// .uri(&quot;https://www.rust-lang.org/&quot;)
/// .header(&quot;X-Custom-Foo&quot;, &quot;Bar&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>builder() -&gt; Builder {
Builder::new()
}
<span class="doccomment">/// Creates a new `Builder` initialized with a GET method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::get(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>get&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::GET).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a PUT method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::put(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>put&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::PUT).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a POST method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::post(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>post&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::POST).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a DELETE method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::delete(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>delete&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::DELETE).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with an OPTIONS method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::options(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// # assert_eq!(*request.method(), Method::OPTIONS);
/// ```
</span><span class="kw">pub fn </span>options&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::OPTIONS).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a HEAD method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::head(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>head&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::HEAD).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a CONNECT method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::connect(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>connect&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::CONNECT).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a PATCH method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::patch(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>patch&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::PATCH).uri(uri)
}
<span class="doccomment">/// Creates a new `Builder` initialized with a TRACE method and the given URI.
///
/// This method returns an instance of `Builder` which can be used to
/// create a `Request`.
///
/// # Example
///
/// ```
/// # use http::*;
///
/// let request = Request::trace(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>trace&lt;T&gt;(uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
Builder::new().method(Method::TRACE).uri(uri)
}
}
<span class="kw">impl</span>&lt;T&gt; Request&lt;T&gt; {
<span class="doccomment">/// Creates a new blank `Request` with the body
///
/// The component parts of this request will be set to their default, e.g.
/// the GET method, no headers, etc.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request = Request::new(&quot;hello world&quot;);
///
/// assert_eq!(*request.method(), Method::GET);
/// assert_eq!(*request.body(), &quot;hello world&quot;);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>new(body: T) -&gt; Request&lt;T&gt; {
Request {
head: Parts::new(),
body: body,
}
}
<span class="doccomment">/// Creates a new `Request` with the given components parts and body.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request = Request::new(&quot;hello world&quot;);
/// let (mut parts, body) = request.into_parts();
/// parts.method = Method::POST;
///
/// let request = Request::from_parts(parts, body);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>from_parts(parts: Parts, body: T) -&gt; Request&lt;T&gt; {
Request {
head: parts,
body: body,
}
}
<span class="doccomment">/// Returns a reference to the associated HTTP method.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;()&gt; = Request::default();
/// assert_eq!(*request.method(), Method::GET);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>method(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>Method {
<span class="kw-2">&amp;</span><span class="self">self</span>.head.method
}
<span class="doccomment">/// Returns a mutable reference to the associated HTTP method.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let mut request: Request&lt;()&gt; = Request::default();
/// *request.method_mut() = Method::PUT;
/// assert_eq!(*request.method(), Method::PUT);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>method_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>Method {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.head.method
}
<span class="doccomment">/// Returns a reference to the associated URI.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;()&gt; = Request::default();
/// assert_eq!(*request.uri(), *&quot;/&quot;);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>uri(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>Uri {
<span class="kw-2">&amp;</span><span class="self">self</span>.head.uri
}
<span class="doccomment">/// Returns a mutable reference to the associated URI.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let mut request: Request&lt;()&gt; = Request::default();
/// *request.uri_mut() = &quot;/hello&quot;.parse().unwrap();
/// assert_eq!(*request.uri(), *&quot;/hello&quot;);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>uri_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>Uri {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.head.uri
}
<span class="doccomment">/// Returns the associated version.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;()&gt; = Request::default();
/// assert_eq!(request.version(), Version::HTTP_11);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>version(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; Version {
<span class="self">self</span>.head.version
}
<span class="doccomment">/// Returns a mutable reference to the associated version.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let mut request: Request&lt;()&gt; = Request::default();
/// *request.version_mut() = Version::HTTP_2;
/// assert_eq!(request.version(), Version::HTTP_2);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>version_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>Version {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.head.version
}
<span class="doccomment">/// Returns a reference to the associated header field map.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;()&gt; = Request::default();
/// assert!(request.headers().is_empty());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>headers(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>HeaderMap&lt;HeaderValue&gt; {
<span class="kw-2">&amp;</span><span class="self">self</span>.head.headers
}
<span class="doccomment">/// Returns a mutable reference to the associated header field map.
///
/// # Examples
///
/// ```
/// # use http::*;
/// # use http::header::*;
/// let mut request: Request&lt;()&gt; = Request::default();
/// request.headers_mut().insert(HOST, HeaderValue::from_static(&quot;world&quot;));
/// assert!(!request.headers().is_empty());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>headers_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>HeaderMap&lt;HeaderValue&gt; {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.head.headers
}
<span class="doccomment">/// Returns a reference to the associated extensions.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;()&gt; = Request::default();
/// assert!(request.extensions().get::&lt;i32&gt;().is_none());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>extensions(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>Extensions {
<span class="kw-2">&amp;</span><span class="self">self</span>.head.extensions
}
<span class="doccomment">/// Returns a mutable reference to the associated extensions.
///
/// # Examples
///
/// ```
/// # use http::*;
/// # use http::header::*;
/// let mut request: Request&lt;()&gt; = Request::default();
/// request.extensions_mut().insert(&quot;hello&quot;);
/// assert_eq!(request.extensions().get(), Some(&amp;&quot;hello&quot;));
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>extensions_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>Extensions {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.head.extensions
}
<span class="doccomment">/// Returns a reference to the associated HTTP body.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request: Request&lt;String&gt; = Request::default();
/// assert!(request.body().is_empty());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>body(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;</span>T {
<span class="kw-2">&amp;</span><span class="self">self</span>.body
}
<span class="doccomment">/// Returns a mutable reference to the associated HTTP body.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let mut request: Request&lt;String&gt; = Request::default();
/// request.body_mut().push_str(&quot;hello world&quot;);
/// assert!(!request.body().is_empty());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>body_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="kw-2">&amp;mut </span>T {
<span class="kw-2">&amp;mut </span><span class="self">self</span>.body
}
<span class="doccomment">/// Consumes the request, returning just the body.
///
/// # Examples
///
/// ```
/// # use http::Request;
/// let request = Request::new(10);
/// let body = request.into_body();
/// assert_eq!(body, 10);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>into_body(<span class="self">self</span>) -&gt; T {
<span class="self">self</span>.body
}
<span class="doccomment">/// Consumes the request returning the head and body parts.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request = Request::new(());
/// let (parts, body) = request.into_parts();
/// assert_eq!(parts.method, Method::GET);
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>into_parts(<span class="self">self</span>) -&gt; (Parts, T) {
(<span class="self">self</span>.head, <span class="self">self</span>.body)
}
<span class="doccomment">/// Consumes the request returning a new request with body mapped to the
/// return type of the passed in function.
///
/// # Examples
///
/// ```
/// # use http::*;
/// let request = Request::builder().body(&quot;some string&quot;).unwrap();
/// let mapped_request: Request&lt;&amp;[u8]&gt; = request.map(|b| {
/// assert_eq!(b, &quot;some string&quot;);
/// b.as_bytes()
/// });
/// assert_eq!(mapped_request.body(), &amp;&quot;some string&quot;.as_bytes());
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>map&lt;F, U&gt;(<span class="self">self</span>, f: F) -&gt; Request&lt;U&gt;
<span class="kw">where
</span>F: FnOnce(T) -&gt; U,
{
Request {
body: f(<span class="self">self</span>.body),
head: <span class="self">self</span>.head,
}
}
}
<span class="kw">impl</span>&lt;T: Default&gt; Default <span class="kw">for </span>Request&lt;T&gt; {
<span class="kw">fn </span>default() -&gt; Request&lt;T&gt; {
Request::new(T::default())
}
}
<span class="kw">impl</span>&lt;T: fmt::Debug&gt; fmt::Debug <span class="kw">for </span>Request&lt;T&gt; {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; fmt::Result {
f.debug_struct(<span class="string">&quot;Request&quot;</span>)
.field(<span class="string">&quot;method&quot;</span>, <span class="self">self</span>.method())
.field(<span class="string">&quot;uri&quot;</span>, <span class="self">self</span>.uri())
.field(<span class="string">&quot;version&quot;</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.version())
.field(<span class="string">&quot;headers&quot;</span>, <span class="self">self</span>.headers())
<span class="comment">// omits Extensions because not useful
</span>.field(<span class="string">&quot;body&quot;</span>, <span class="self">self</span>.body())
.finish()
}
}
<span class="kw">impl </span>Parts {
<span class="doccomment">/// Creates a new default instance of `Parts`
</span><span class="kw">fn </span>new() -&gt; Parts {
Parts {
method: Method::default(),
uri: Uri::default(),
version: Version::default(),
headers: HeaderMap::default(),
extensions: Extensions::default(),
_priv: (),
}
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Parts {
<span class="kw">fn </span>fmt(<span class="kw-2">&amp;</span><span class="self">self</span>, f: <span class="kw-2">&amp;mut </span>fmt::Formatter&lt;<span class="lifetime">&#39;_</span>&gt;) -&gt; fmt::Result {
f.debug_struct(<span class="string">&quot;Parts&quot;</span>)
.field(<span class="string">&quot;method&quot;</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.method)
.field(<span class="string">&quot;uri&quot;</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.uri)
.field(<span class="string">&quot;version&quot;</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.version)
.field(<span class="string">&quot;headers&quot;</span>, <span class="kw-2">&amp;</span><span class="self">self</span>.headers)
<span class="comment">// omits Extensions because not useful
// omits _priv because not useful
</span>.finish()
}
}
<span class="kw">impl </span>Builder {
<span class="doccomment">/// Creates a new default instance of `Builder` to construct a `Request`.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let req = request::Builder::new()
/// .method(&quot;POST&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="attribute">#[inline]
</span><span class="kw">pub fn </span>new() -&gt; Builder {
Builder::default()
}
<span class="doccomment">/// Set the HTTP method for this request.
///
/// This function will configure the HTTP method of the `Request` that will
/// be returned from `Builder::build`.
///
/// By default this is `GET`.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let req = Request::builder()
/// .method(&quot;POST&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>method&lt;T&gt;(<span class="self">self</span>, method: T) -&gt; Builder
<span class="kw">where
</span>Method: TryFrom&lt;T&gt;,
&lt;Method <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
<span class="self">self</span>.and_then(<span class="kw">move </span>|<span class="kw-2">mut </span>head| {
<span class="kw">let </span>method = TryFrom::try_from(method).map_err(Into::into)<span class="question-mark">?</span>;
head.method = method;
<span class="prelude-val">Ok</span>(head)
})
}
<span class="doccomment">/// Get the HTTP Method for this request.
///
/// By default this is `GET`. If builder has error, returns None.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let mut req = Request::builder();
/// assert_eq!(req.method_ref(),Some(&amp;Method::GET));
///
/// req = req.method(&quot;POST&quot;);
/// assert_eq!(req.method_ref(),Some(&amp;Method::POST));
/// ```
</span><span class="kw">pub fn </span>method_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>Method&gt; {
<span class="self">self</span>.inner.as_ref().ok().map(|h| <span class="kw-2">&amp;</span>h.method)
}
<span class="doccomment">/// Set the URI for this request.
///
/// This function will configure the URI of the `Request` that will
/// be returned from `Builder::build`.
///
/// By default this is `/`.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let req = Request::builder()
/// .uri(&quot;https://www.rust-lang.org/&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>uri&lt;T&gt;(<span class="self">self</span>, uri: T) -&gt; Builder
<span class="kw">where
</span>Uri: TryFrom&lt;T&gt;,
&lt;Uri <span class="kw">as </span>TryFrom&lt;T&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
<span class="self">self</span>.and_then(<span class="kw">move </span>|<span class="kw-2">mut </span>head| {
head.uri = TryFrom::try_from(uri).map_err(Into::into)<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(head)
})
}
<span class="doccomment">/// Get the URI for this request
///
/// By default this is `/`.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let mut req = Request::builder();
/// assert_eq!(req.uri_ref().unwrap(), &quot;/&quot; );
///
/// req = req.uri(&quot;https://www.rust-lang.org/&quot;);
/// assert_eq!(req.uri_ref().unwrap(), &quot;https://www.rust-lang.org/&quot; );
/// ```
</span><span class="kw">pub fn </span>uri_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>Uri&gt; {
<span class="self">self</span>.inner.as_ref().ok().map(|h| <span class="kw-2">&amp;</span>h.uri)
}
<span class="doccomment">/// Set the HTTP version for this request.
///
/// This function will configure the HTTP version of the `Request` that
/// will be returned from `Builder::build`.
///
/// By default this is HTTP/1.1
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let req = Request::builder()
/// .version(Version::HTTP_2)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>version(<span class="self">self</span>, version: Version) -&gt; Builder {
<span class="self">self</span>.and_then(<span class="kw">move </span>|<span class="kw-2">mut </span>head| {
head.version = version;
<span class="prelude-val">Ok</span>(head)
})
}
<span class="doccomment">/// Get the HTTP version for this request
///
/// By default this is HTTP/1.1.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let mut req = Request::builder();
/// assert_eq!(req.version_ref().unwrap(), &amp;Version::HTTP_11 );
///
/// req = req.version(Version::HTTP_2);
/// assert_eq!(req.version_ref().unwrap(), &amp;Version::HTTP_2 );
/// ```
</span><span class="kw">pub fn </span>version_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>Version&gt; {
<span class="self">self</span>.inner.as_ref().ok().map(|h| <span class="kw-2">&amp;</span>h.version)
}
<span class="doccomment">/// Appends a header to this request builder.
///
/// This function will append the provided key/value as a header to the
/// internal `HeaderMap` being constructed. Essentially this is equivalent
/// to calling `HeaderMap::append`.
///
/// # Examples
///
/// ```
/// # use http::*;
/// # use http::header::HeaderValue;
///
/// let req = Request::builder()
/// .header(&quot;Accept&quot;, &quot;text/html&quot;)
/// .header(&quot;X-Custom-Foo&quot;, &quot;bar&quot;)
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>header&lt;K, V&gt;(<span class="self">self</span>, key: K, value: V) -&gt; Builder
<span class="kw">where
</span>HeaderName: TryFrom&lt;K&gt;,
&lt;HeaderName <span class="kw">as </span>TryFrom&lt;K&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
HeaderValue: TryFrom&lt;V&gt;,
&lt;HeaderValue <span class="kw">as </span>TryFrom&lt;V&gt;&gt;::Error: Into&lt;<span class="kw">crate</span>::Error&gt;,
{
<span class="self">self</span>.and_then(<span class="kw">move </span>|<span class="kw-2">mut </span>head| {
<span class="kw">let </span>name = &lt;HeaderName <span class="kw">as </span>TryFrom&lt;K&gt;&gt;::try_from(key).map_err(Into::into)<span class="question-mark">?</span>;
<span class="kw">let </span>value = &lt;HeaderValue <span class="kw">as </span>TryFrom&lt;V&gt;&gt;::try_from(value).map_err(Into::into)<span class="question-mark">?</span>;
head.headers.append(name, value);
<span class="prelude-val">Ok</span>(head)
})
}
<span class="doccomment">/// Get header on this request builder.
/// when builder has error returns None
///
/// # Example
///
/// ```
/// # use http::Request;
/// let req = Request::builder()
/// .header(&quot;Accept&quot;, &quot;text/html&quot;)
/// .header(&quot;X-Custom-Foo&quot;, &quot;bar&quot;);
/// let headers = req.headers_ref().unwrap();
/// assert_eq!( headers[&quot;Accept&quot;], &quot;text/html&quot; );
/// assert_eq!( headers[&quot;X-Custom-Foo&quot;], &quot;bar&quot; );
/// ```
</span><span class="kw">pub fn </span>headers_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>HeaderMap&lt;HeaderValue&gt;&gt; {
<span class="self">self</span>.inner.as_ref().ok().map(|h| <span class="kw-2">&amp;</span>h.headers)
}
<span class="doccomment">/// Get headers on this request builder.
///
/// When builder has error returns None.
///
/// # Example
///
/// ```
/// # use http::{header::HeaderValue, Request};
/// let mut req = Request::builder();
/// {
/// let headers = req.headers_mut().unwrap();
/// headers.insert(&quot;Accept&quot;, HeaderValue::from_static(&quot;text/html&quot;));
/// headers.insert(&quot;X-Custom-Foo&quot;, HeaderValue::from_static(&quot;bar&quot;));
/// }
/// let headers = req.headers_ref().unwrap();
/// assert_eq!( headers[&quot;Accept&quot;], &quot;text/html&quot; );
/// assert_eq!( headers[&quot;X-Custom-Foo&quot;], &quot;bar&quot; );
/// ```
</span><span class="kw">pub fn </span>headers_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;mut </span>HeaderMap&lt;HeaderValue&gt;&gt; {
<span class="self">self</span>.inner.as_mut().ok().map(|h| <span class="kw-2">&amp;mut </span>h.headers)
}
<span class="doccomment">/// Adds an extension to this builder
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let req = Request::builder()
/// .extension(&quot;My Extension&quot;)
/// .body(())
/// .unwrap();
///
/// assert_eq!(req.extensions().get::&lt;&amp;&#39;static str&gt;(),
/// Some(&amp;&quot;My Extension&quot;));
/// ```
</span><span class="kw">pub fn </span>extension&lt;T&gt;(<span class="self">self</span>, extension: T) -&gt; Builder
<span class="kw">where
</span>T: Any + Send + Sync + <span class="lifetime">&#39;static</span>,
{
<span class="self">self</span>.and_then(<span class="kw">move </span>|<span class="kw-2">mut </span>head| {
head.extensions.insert(extension);
<span class="prelude-val">Ok</span>(head)
})
}
<span class="doccomment">/// Get a reference to the extensions for this request builder.
///
/// If the builder has an error, this returns `None`.
///
/// # Example
///
/// ```
/// # use http::Request;
/// let req = Request::builder().extension(&quot;My Extension&quot;).extension(5u32);
/// let extensions = req.extensions_ref().unwrap();
/// assert_eq!(extensions.get::&lt;&amp;&#39;static str&gt;(), Some(&amp;&quot;My Extension&quot;));
/// assert_eq!(extensions.get::&lt;u32&gt;(), Some(&amp;5u32));
/// ```
</span><span class="kw">pub fn </span>extensions_ref(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;</span>Extensions&gt; {
<span class="self">self</span>.inner.as_ref().ok().map(|h| <span class="kw-2">&amp;</span>h.extensions)
}
<span class="doccomment">/// Get a mutable reference to the extensions for this request builder.
///
/// If the builder has an error, this returns `None`.
///
/// # Example
///
/// ```
/// # use http::Request;
/// let mut req = Request::builder().extension(&quot;My Extension&quot;);
/// let mut extensions = req.extensions_mut().unwrap();
/// assert_eq!(extensions.get::&lt;&amp;&#39;static str&gt;(), Some(&amp;&quot;My Extension&quot;));
/// extensions.insert(5u32);
/// assert_eq!(extensions.get::&lt;u32&gt;(), Some(&amp;5u32));
/// ```
</span><span class="kw">pub fn </span>extensions_mut(<span class="kw-2">&amp;mut </span><span class="self">self</span>) -&gt; <span class="prelude-ty">Option</span>&lt;<span class="kw-2">&amp;mut </span>Extensions&gt; {
<span class="self">self</span>.inner.as_mut().ok().map(|h| <span class="kw-2">&amp;mut </span>h.extensions)
}
<span class="doccomment">/// &quot;Consumes&quot; this builder, using the provided `body` to return a
/// constructed `Request`.
///
/// # Errors
///
/// This function may return an error if any previously configured argument
/// failed to parse or get converted to the internal representation. For
/// example if an invalid `head` was specified via `header(&quot;Foo&quot;,
/// &quot;Bar\r\n&quot;)` the error will be returned when this function is called
/// rather than when `header` was called.
///
/// # Examples
///
/// ```
/// # use http::*;
///
/// let request = Request::builder()
/// .body(())
/// .unwrap();
/// ```
</span><span class="kw">pub fn </span>body&lt;T&gt;(<span class="self">self</span>, body: T) -&gt; <span class="prelude-ty">Result</span>&lt;Request&lt;T&gt;&gt; {
<span class="self">self</span>.inner.map(<span class="kw">move </span>|head| {
Request {
head,
body,
}
})
}
<span class="comment">// private
</span><span class="kw">fn </span>and_then&lt;F&gt;(<span class="self">self</span>, func: F) -&gt; <span class="self">Self
</span><span class="kw">where
</span>F: FnOnce(Parts) -&gt; <span class="prelude-ty">Result</span>&lt;Parts&gt;
{
Builder {
inner: <span class="self">self</span>.inner.and_then(func),
}
}
}
<span class="kw">impl </span>Default <span class="kw">for </span>Builder {
<span class="attribute">#[inline]
</span><span class="kw">fn </span>default() -&gt; Builder {
Builder {
inner: <span class="prelude-val">Ok</span>(Parts::new()),
}
}
}
<span class="attribute">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="attribute">#[test]
</span><span class="kw">fn </span>it_can_map_a_body_from_one_type_to_another() {
<span class="kw">let </span>request = Request::builder().body(<span class="string">&quot;some string&quot;</span>).unwrap();
<span class="kw">let </span>mapped_request = request.map(|s| {
<span class="macro">assert_eq!</span>(s, <span class="string">&quot;some string&quot;</span>);
<span class="number">123u32
</span>});
<span class="macro">assert_eq!</span>(mapped_request.body(), <span class="kw-2">&amp;</span><span class="number">123u32</span>);
}
}
</code></pre></div>
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