(anonFunction1: StringAdd).self
(anonFunction1: StringFormat).self
(anonFunction1: ArrowAssoc[AnonFunction1[T1, R]]).x
(Since version 2.10.0) Use leftOfArrow instead
(anonFunction1: Ensuring[AnonFunction1[T1, R]]).x
(Since version 2.10.0) Use resultOfEnsuring instead