rm::async::BasicPromise 成员列表

成员的完整列表，这些成员属于 rm::async::BasicPromise,包括所有继承而来的类成员

_exception	rm::async::BasicPromise	protected
initial_suspend() noexcept	rm::async::BasicPromise	inline
previous	rm::async::BasicPromise
unhandled_exception()	rm::async::BasicPromise	inline