Amir Teymuri <ateymur...@gmail.com> wrote:
> I had a question about the objectives and reasons of allowing
> un-specified key arguments in functions as soon as i want to have some
> key arguments.
Any DSSSL style arguments (#!rest, #!optional and #!key) always are
optional arguments to the procedure.
You can think of them as working this way:
(lambda (foo #!key bar qux) your-code)
=>
(lambda (foo . rest)
(let ((bar (get-keyword-arg #:bar rest))
(qux (get-keyword-arg #:qux rest)))
your-code))
If you want to have a more strict handling of them, you might want to
write your own superset of “lambda” and/or “define”, that check
what you need.
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