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