Class to handle one member among all the members included in a single interpreter request.
(memberHandlers: StringAdd).self
(memberHandlers: StringFormat).self
(memberHandlers: ArrowAssoc[MemberHandlers]).x
(Since version 2.10.0) Use leftOfArrow
instead
(memberHandlers: Ensuring[MemberHandlers]).x
(Since version 2.10.0) Use resultOfEnsuring
instead