module Async
module Async::Clock
module Async::Debug
class Async::Condition
class Async::Debug::Monitor
class Async::Debug::Selector
class Async::Node
class Async::Notification
class Async::Queue
class Async::Reactor
class Async::Semaphore
class Async::Stop
class Async::Task
class Async::TimeoutError
class Async::Wrapper
class Async::Wrapper::Cancelled
class Async::Wrapper::WaitError
async
1.11.0
# empty?
(Boolean)
def empty? @waiting.empty? end