scala.reactive.container.PairContainer
(emitter: StringAdd).self
(emitter: StringFormat).self
(emitter: ArrowAssoc[Emitter[P, Q]]).x
(Since version 2.10.0) Use leftOfArrow
instead
(emitter: Ensuring[Emitter[P, Q]]).x
(Since version 2.10.0) Use resultOfEnsuring
instead