...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Helper function to obtain an object's associated executor.
template< typename T, typename ExecutionContext> auto get_associated_executor( const T & t, ExecutionContext & ctx, typename constraint< is_convertible< ExecutionContext &, execution_context & >::value >::type = 0);
associated_executor<T, typename
ExecutionContext::executor_type>get(t, ctx.get_executor())