Handbook
Glossary
add-once ( key set -- )
Vocabulary
compiler
.
units
.
private
Inputs
key
an
object
set
an
object
Outputs
None
Definition
USING:
compiler.units
kernel
sets
;
IN:
compiler.units.private
:
add-once
( key set -- )
dupd
?adjoin
[
drop
]
[
throw-redefine-error
]
if
;