...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Construct an any_completion_handler
to contain the specified target.
template< typename H, typename Handler = decay_t<H>> any_completion_handler( H && h, constraint_t< !is_same< decay_t< H >, any_completion_handler >::value > = 0);