An abstract trait unifying invariant and mutating targets. This object is responsible
for keeping track of the dependents of an event source which is defined as the outer
object, sharing the same id as its targets. As a Reactor, it has a method to
propagate a fired event.
- Companion
- object
trait Mutable[T]
trait Disposable[T]
trait Writable
trait Identified[T]
class Object
trait Matchable
class Any