check-instance ( obj class -- obj ) - Factor Documentation

check-instance ( obj class -- obj )


Vocabulary
classes

Inputs
obj an object
class an object


Outputs
obj an object


Definition
USING: kernel ;

IN: classes

: check-instance ( obj class -- obj )
[ dupd instance? ] keep [ not-an-instance ] curry unless ;
inline

AltStyle によって変換されたページ (->オリジナル) /