class Async::Notification

@public Since *Async v1*.
A synchronization primitive, which allows fibers to wait until a notification is received. Does not block the task which signals the notification. Waiting tasks are resumed on next iteration of the reactor.

def signal(value = nil)

@returns [Boolean] if a task was signalled.

Signal to a given task that it should resume operations. 
def signal(value = nil)
	return false if empty?
	
	Fiber.scheduler.push Signal.new(self.exchange, value)
	
	return true
end