the log source, if not defined the actor of the context will be used
(loggingReceive: StringAdd).self
(loggingReceive: StringFormat).self
(loggingReceive: ArrowAssoc[LoggingReceive]).x
(Since version 2.10.0) Use leftOfArrow
instead
(loggingReceive: Ensuring[LoggingReceive]).x
(Since version 2.10.0) Use resultOfEnsuring
instead
This decorator adds invocation logging to a Receive function.