module Async
module Async::Clock
class Async::Condition
class Async::Node
class Async::Notification
class Async::Queue
class Async::Reactor
class Async::Stop
class Async::Task
class Async::TimeoutError
class Async::Wrapper
async
1.6.0
:: measure
def self.measure start_time = self.now yield return self.now - start_time end