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#f = #none ?
- To: rwk@crl.dec.com
- Subject: #f = #none ?
- From: samp@kurz-ai.com (Sam Pilato)
- Date: Thu, 19 Nov 92 10:18:44 EST
- Cc: cfry@mit.edu, info-dylan@cambridge.apple.com
- In-reply-to: Bob Kerns's message of Wed, 18 Nov 92 23:40:50 -0500
Date: Wed, 18 Nov 92 23:40:50 -0500
From: Bob Kerns <rwk@crl.dec.com>
X-Mts: smtp
Date: Wed, 18 Nov 92 16:20:17 EST
From: cfry@MIT.EDU (Christopher Fry)
This reminds me of a problem with CL. If Dylan doesn't address it, it
should. For an argument in a function call, I would like to explicitly
say "use-the-default-value".
(multiple-value-call #'foo
(if frob-p
(values :frob frob-val)
(values))
:blech bletch-val)
I agree with Fry. I would much prefer being able to:
(foo :frob (if frob-p frob-val <use-the-default-value>)
:blech bletch-val)