Handbook
Glossary
block? ( object -- ? )
Vocabulary
prettyprint
.
sections
Inputs and outputs
object
an
object
?
a
boolean
Word description
Tests if the object is an instance of the
block
class.
Definition
USING:
classes.tuple.private
;
IN:
prettyprint.sections
:
block?
( object -- ? )
\
block
9
tuple-instance?
;