put sequences
        of length one is also suitable.
      </p>
<p>
        The parser contains a message constructed internally. Arguments passed to
        the parser's constructor are forwarded into the message container. The caller
        can access the message inside the parser by calling <a class="link" href="../ref/boost__beast__http__parser/get.html" title="http::parser::get"><code class="computeroutput"><span class="identifier">parser</span><span class="special">::</span><span class="identifier">