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std::packaged_task::get_future(3) C++ Standard Libary std::packaged_task::get_future(3)

NAME

std::packaged_task::get_future - std::packaged_task::get_future

Synopsis


std::future<R> get_future(); (since C++11)


Returns a future which shares the same shared state as *this.


get_future can be called only once for each packaged_task.

Parameters


(none)

Return value


A future which shares the same shared state as *this.

Exceptions


std::future_error on the following error conditions:


* The shared state has already been retrieved via a call to get_future. The error
category is set to future_already_retrieved.
* *this has no shared state. The error category is set to no_state.

2024.06.10 http://cppreference.com