std::coroutine_handle<Promise>::from_address
| static constexpr coroutine_handle from_address( void *addr ); |
(since C++20) | |
Creates a coroutine_handle from a null pointer value or an underlying address of another coroutine_handle. The underlying address of return value is addr.
The behavior is undefined if addr is neither a null pointer value nor an underlying address of a coroutine_handle. The behavior is also undefined if the addr is an underlying address of a std::coroutine_handle<P1>, where both Promise and P1 are not void, and P1 is different from Promise.
This function is not declared for specialization std::coroutine_handle<std::noop_coroutine_promise>.
Parameters
| addr | - | underlying address to import |
Return value
A std::coroutine_handle<Promise> whose underlying address is addr.
Notes
If addr is not a null pointer value, it must be obtained from a prior call to address() on a coroutine_handle referring to some coroutine.
Example
| This section is incomplete Reason: no example |
See also
constructs a coroutine_handle object (public member function) | |
| [static] |
creates a coroutine_handle from the promise object of a coroutine (public static member function) |
| (C++20) |
creates a coroutine handle that has no observable effects when resumed or destroyed (function) |