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subclass-of? ( class superclass -- ? )
Factor documentation > Factor handbook > The language > Objects > Classes
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Vocabulary
classes

Inputs and outputs
classa class
superclassa class
?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, superclasses

Definition
USING: kernel ;

IN: classes

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