Handbook
Glossary
tetris-gadget? ( object -- ? )
Vocabulary
tetris
Inputs and outputs
object
an
object
?
a
boolean
Word description
Tests if the object is an instance of the
tetris-gadget
class.
Definition
USING:
classes.tuple.private
;
IN:
tetris
:
tetris-gadget?
( object -- ? )
\
tetris-gadget
11
tuple-instance?
;