t="_top"><span class="bold"><strong>WriteHandler</strong></span></a><span class="special">&gt;</span>
<a href="http://www.boost.org/doc/libs/1_60_0/doc/html/boost_asio/reference/asynchronous_operations.html#boost_asio.reference.asynchronous_operations.return_type_of_an_initiating_function" target="_top"><span class="emphasis"><em>void-or-deduced</em></span></a>
<span class="identifier">async_write</span><span class="special">(</span>
    <span class="identifier">ConstBufferSequence</span> <span class="keywo