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| From: | Paul F. Dietz |
| Subject: | [Gcl-devel] Re: sort function |
| Date: | Sat, 03 Jan 2004 01:41:13 -0600 |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 |
(sort '((9 a) (3 b) (4 c)) #'(lambda (x y) (< (car x) (car y))))((3 B) (4 C) (9 A))
I want to point out that destructively modifying a quoted constant
may (by CLHS 3.7.1) cause undefined behavior. This should be written:
(sort (copy-list '((9 a) (3 b) (4 c))) #'(lambda (x y) (< (car x) (car y))))
or similar.
Paul
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