Args_ellipsis__rp__gt__comma__Signature__gt_.completion_handler_type.h0"></a>
          <span class="phrase"><a name="boost_asio.reference.async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_.completion_handler_type.requirements"></a></span><a class="link" href="completion_handler_type.html#boost_asio.reference.async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_.completion_handler_type.requirements">Requirements</a>
       