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<h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>tokio_io</a>::<wbr><a href='index.html'>io</a>::<wbr><a class="fn" href=''>read_until</a></span><span class='out-of-band'><span id='render-detail'>
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<pre class='rust fn'>pub fn read_until&lt;A&gt;(a: A, byte: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, buf: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a>&lt;<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>&gt;) -&gt; <a class="struct" href="../../tokio_io/io/struct.ReadUntil.html" title="struct tokio_io::io::ReadUntil">ReadUntil</a>&lt;A&gt; <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;A: <a class="trait" href="../../tokio_io/trait.AsyncRead.html" title="trait tokio_io::AsyncRead">AsyncRead</a> + <a class="trait" href="https://doc.rust-lang.org/nightly/std/io/trait.BufRead.html" title="trait std::io::BufRead">BufRead</a>,&nbsp;</span></pre><div class='docblock'><p>Creates a future which will read all the bytes associated with the I/O
object <code>A</code> into the buffer provided until the delimiter <code>byte</code> is reached.
This method is the async equivalent to <a href="https://doc.rust-lang.org/std/io/trait.BufRead.html#method.read_until"><code>BufRead::read_until</code></a>.</p>
<p>In case of an error the buffer and the object will be discarded, with
the error yielded. In the case of success the object will be destroyed and
the buffer will be returned, with all bytes up to, and including, the delimiter
(if found).</p>
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