10.13.6.20 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


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