subclass-of? ( class superclass -- ? )
Factor handbook » The language » Objects » Classes

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Vocabulary
classes

Inputs

class	a class
superclass	a class

Outputs

?

a boolean

Word description
Outputs a boolean value indicating whether class is at any level a subclass of superclass.

Examples

USING: classes classes.tuple prettyprint words ; tuple-class \ class subclass-of? .
t

See also
superclass-of, superclasses-of

Definition

USING: kernel ;

IN: classes

: subclass-of? ( class superclass -- ? ) swap superclass-of? ;