std::promise<R>::~promise (3) - Linux Man Pages

std::promise<R>::~promise: std::promise<R>::~promise


std::promise<R>::~promise - std::promise<R>::~promise


~promise(); (since C++11)

Abandons the shared state:

* if the shared state is ready, releases it.
* if the shared state is not ready, stores an exception object of type std::future_error with an error condition std::future_errc::broken_promise, makes the shared state ready and releases it.