* Upgrade code to use the latest version of Starlette, including:
    * Several bug fixes.
    * Optional redirects of slashes, with or without ending in `/`.
    * Events for routers, `"startup"`, and `"shutdown"`.
    * PR [#1057](https://github.com/tiangolo/fastapi/pull/1057).

</p>

<h3 id="Channel_types">Channel types</h3>

<p>
A channel provides a mechanism for
<a href="#Go_statements">concurrently executing functions</a>
to communicate by
<a href="#Send_statements">sending</a> and
<a href="#Receive_operator">receiving</a>
values of a specified element type.
The <a href="#Representation_of_values">value</a> of an uninitialized channel is <code>nil</code>.
</p>

<pre class="ebnf">

pkg net/http/httputil, method (*ClientConn) Do(*http.Request) (*http.Response, error)
pkg net/http/httputil, method (*ClientConn) Hijack() (net.Conn, *bufio.Reader)
pkg net/http/httputil, method (*ClientConn) Pending() int
pkg net/http/httputil, method (*ClientConn) Read(*http.Request) (*http.Response, error)
pkg net/http/httputil, method (*ClientConn) Write(*http.Request) error