Canceled
An ExitCase signaling that the action was aborted.
As an example this can happen when we have a cancelable data type,
like IO and the task yielded by bracket
gets canceled
when it's at its use
phase.
Thus Bracket allows you to observe interruption conditions and act on them.
trait Singleton
trait Product
trait Mirror
class ExitCase[Nothing]
trait Serializable
trait Product
trait Equals
class Object
trait Matchable
class Any