10.13.6.24 undefine_method/3

Synopsis

undefine_method(+Obj, +Name, +Arity)

Arguments

Obj
object
Name
atom
Arity
integer

Description

Removes Obj's current instance method for the Name/Arity message. After executing this goal, sending this message to Obj executes the class's default method for the message.

Name/Arity must have been declared to be an instance method for the class of Obj.

If Obj has no current instance method for the Name/Arity message, the predicate has no effect.

Exceptions

instantiation_error
any argument is unbound.
type_error
Obj is not a compound term, Name is not an atom, or Arity is not an integer.
domain_error
Message does not specify an instance method for the class of Obj.

See Also

define_method/3, instance_method/1


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