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.