Try to enqueue a waiter to the list of waiters. \param waiter Pointer to the state from the waiter object. Must have waiter->coroutine_ member popula

Decrement the reference count. \return true if successfully detached, false if this was the last reference to the coroutine, in which case the caller

value_type = std::unique_ptr<int> reference = std::unique_ptr<int>&&

reserved for condition_variable

Won't be resumed anyway

Won't be resumed anyway

* @detail the lock must be held, when io_context resume me. * @detail io_context will call mutex::lock_awaiter::register_awaiting **/

NOLINT*/