std::experimental:: promise

std::experimental::promise may refer to:

• std::experimental::fundamentals_v1::promise or std::experimental::fundamentals_v2::promise , a modified version of std::promise provided by the library fundamentals TS with support for type-erased allocators;
• std::experimental::concurrency_v1::promise , a modified version of std::promise provided by the concurrency TS whose get_future() member function returns the improved std::experimental::future provided by that TS.