 container with associated completion handler.
      </p>
<h5>
<a name="beast.ref.boost__beast__handler_ptr.h0"></a>
        <span class="phrase"><a name="beast.ref.boost__beast__handler_ptr.synopsis"></a></span><a class="link" href="boost__beast__handler_ptr.html#beast.ref.boost__beast__handler_ptr.synopsis">Synopsis</a>
      </h5>
<p>
        Defined in header <code class="literal">&lt;<a href="../../../../../../boost/beast/core/handler_ptr.hpp" target="_top">boost/beast/core/handler_ptr.hpp</a>&gt;</cod