10.30.6.13 descendant_of/2

Synopsis

descendant_of(+Obj, ?Class)

Arguments

Obj

object

Class

atom

Description

Obj is an instance of Class or of a descendant of Class.

Exceptions

instantiation_error

Obj is unbound.

type_error

Object is not a valid object.

See Also

class_ancestor/2, class_of/2, class_superclass/2