std::coroutine_handle<Promise>:: promise

Member of the primary template
Promise & promise ( ) const ;		(since C++20)
Member of specialization std::coroutine_handle<std::noop_coroutine_promise>
std:: noop_coroutine_promise & promise ( ) const noexcept ;		(since C++20)

Obtains a reference to the promise object.

The behavior is undefined if * this does not refer to a coroutine whose promise object has not been destroyed.

This function is not provided for the specialization std:: coroutine_handle <> .

Parameters

(none)

Return value

A reference to the promise object.

Notes

The promise object of a no-op coroutine is not destroyed as long as there is some std::noop_coroutine_handle referring to the coroutine.

See also

from_promise [static]

creates a coroutine_handle from the promise object of a coroutine (public static member function)