std::experimental::promise (library fundamentals TS)
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promise
This page is about the modified version of std::promise with type-erased allocator support provided by the Library Fundamentals TSes. For the version of promise provided by the concurrency TS supporting the std::future improvements made by that TS, see std::experimental::concurrency_v1::promise.
Defined in header
<experimental/future>
template< class R > class promise;
(1)
(library fundamentals TS)
template< class R > class promise<R&>;
(2)
(library fundamentals TS)
template<> class promise<void>;
(3)
(library fundamentals TS)
std::experimental::fundamentals_v1::promise (and std::experimental::fundamentals_v2::promise) is a modified version of std::promise provided by the library fundamentals TS with support for type-erased allocators.
Contents
[edit] Member types
Member type
Definition
allocator_type
std::experimental::erased_type
[edit] Member functions
retrieves a pointer to the memory resource used by this object to allocate memory
(public member function) [edit]
(public member function) [edit]
[edit] Non-member function
[edit] Helper classes
Members identical to std::promise
Member functions
Getting the result
returns a future associated with the promised result
(public member function of
(public member function of
std::promise<R>) [edit]
Setting the result
sets the result to specific value while delivering the notification only at thread exit
(public member function of
(public member function of
std::promise<R>) [edit]
sets the result to indicate an exception while delivering the notification only at thread exit
(public member function of
(public member function of
std::promise<R>) [edit]