message/4

Synopsis

message(*Class, *Op, *Name, *Arity)

Arguments


Class
atom
Op
message_operator
Name
atom
Arity
integer

Description

Name/Arity is an Op message understood by instances of Class. This predicate is used to test whether a message is either defined for or inherited by a class.

Op is one of <-, >>, or <<, specifying the kind of message.

See Also

<-/2, <</2, >>/2, direct_message/4