Handbook
Glossary
not ( obj -- ? )
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>boolean ( obj -- ? )
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and ( obj1 obj2 -- obj2/f )
Vocabulary
kernel
Inputs
obj
a generalized boolean
Outputs
?
a
boolean
Word description
For
f
outputs
t
and for anything else outputs
f
.
Notes
This word implements boolean not, so applying it to integers will not yield useful results (all integers have a true value). Bitwise not is the
bitnot
word.
Definition
IN:
kernel
:
not
( obj -- ? )
[
f
]
[
t
]
if
;
inline