std::experimental::promise (concurrency TS)
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Experimental
| Technical Specification | ||||
| Filesystem library (filesystem TS) | ||||
| Library fundamentals (library fundamentals TS) | ||||
| Library fundamentals 2 (library fundamentals TS v2) | ||||
| Library fundamentals 3 (library fundamentals TS v3) | ||||
| Extensions for parallelism (parallelism TS) | ||||
| Extensions for parallelism 2 (parallelism TS v2) | ||||
| Extensions for concurrency (concurrency TS) | ||||
| Extensions for concurrency 2 (concurrency TS v2) | ||||
| Concepts (concepts TS) | ||||
| Ranges (ranges TS) | ||||
| Reflection (reflection TS) | ||||
| Mathematical special functions (special functions TR) | ||||
| Experimental Non-TS | ||||
| Pattern Matching | ||||
| Linear Algebra | ||||
| std::execution | ||||
| Contracts | ||||
| 2D Graphics |
Extensions for concurrency
| std::future extensions | ||||
| Latches and barriers | ||||
| Atomic smart pointers | ||||
This page is about the modified version of std::promise provided by the concurrency TS supporting the std::future improvements made by that TS. For the version of promise with type-erased allocator support provided by the Library Fundamentals TSes, see std::experimental::fundamentals_v2::promise.
| Defined in header <experimental/future>
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| template< class R > class promise; |
(1) | (concurrency TS) |
| template< class R > class promise<R&>; |
(2) | (concurrency TS) |
| template<> class promise<void>; |
(3) | (concurrency TS) |
std::experimental::concurrency_v1::promise is a modified version of std::promise provided by the concurrency TS that works with std::experimental::future.
The only change from std::promise is that the get_future() member function returns a std::experimental::future.
