Handbook
Glossary
change-tracking-tuple-class? ( object -- ? )
Vocabulary
classes
.
tuple
.
change-tracking
Inputs and outputs
object
an
object
?
a
boolean
Word description
Tests if the object is an instance of the
change-tracking-tuple-class
class.
Definition
USING:
classes
classes.tuple
kernel
;
IN:
classes.tuple.change-tracking
:
change-tracking-tuple-class?
( object -- ? )
dup
tuple-class?
[
change-tracking-tuple
subclass-of?
]
[
drop
f
]
if
;