Type Members

1.  final case class EventsFolder[S, E](state: Option[S], applier: EventApplier[S, E]) extends Product with Serializable

   Convenience data type bundling state and event application (folding) function

   Convenience data type bundling state and event application (folding) function

   S

   state

   E

   event

   state

   state value

   applier

   event application function

2.  type Folded[E, A] = Either[String, (Chain[E], A)]

   Type alias for either an error or a tuple of events chain and value