88     __state_ |= __constructed | ready;  in set_value()
98     __state_ |= __constructed;  in set_value_at_thread_exit()
109     __state_ |= ready;  in set_exception()
127     __state_ |= ready;  in __make_ready()
152         if (__state_ & static_cast<unsigned>(deferred))  in __sub_wait()
154             __state_ &= ~static_cast<unsigned>(deferred);  in __sub_wait()
171     : __state_(__state)  in future()
173     __state_->__attach_future();  in future()
178     if (__state_)  in ~future()
179         __state_->__release_shared();  in ~future()
185     unique_ptr<__shared_count, __release_shared_count> __(__state_);  in get()
186     __assoc_sub_state* __s = __state_;  in get()
187     __state_ = nullptr;  in get()
192     : __state_(new __assoc_sub_state)  in promise()
198     if (__state_)  in ~promise()
201         if (!__state_->__has_value() && __state_->use_count() > 1)  in ~promise()
202             __state_->set_exception(make_exception_ptr(  in ~promise()
206         __state_->__release_shared();  in ~promise()
213     if (__state_ == nullptr)  in get_future()
215     return future<void>(__state_);  in get_future()
221     if (__state_ == nullptr)  in set_value()
223     __state_->set_value();  in set_value()
229     if (__state_ == nullptr)  in set_exception()
231     __state_->set_exception(__p);  in set_exception()
237     if (__state_ == nullptr)  in set_value_at_thread_exit()
239     __state_->set_value_at_thread_exit();  in set_value_at_thread_exit()
245     if (__state_ == nullptr)  in set_exception_at_thread_exit()
247     __state_->set_exception_at_thread_exit(__p);  in set_exception_at_thread_exit()
252     if (__state_)  in ~shared_future()
253         __state_->__release_shared();  in ~shared_future()
259     if (__rhs.__state_)  in operator =()
260         __rhs.__state_->__add_shared();  in operator =()
261     if (__state_)  in operator =()
262         __state_->__release_shared();  in operator =()
263     __state_ = __rhs.__state_;  in operator =()