er sequence that represents the prefix of the original buffer
        sequence. If the original buffer sequence also meets the requirements of
        <span class="emphasis"><em>MutableBufferSequence</em></span>, then the returned value will
        also be a mutable buffer sequence.
      </p>
<p>
        Convenience header <code class="literal">&lt;<a href="../../../../../../boost/beast/core.hpp" target="_top">boost/beast/core.hpp</a>&gt;</code>
      </p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~g