Re^4: If I was forced to use only one kind of loop for the rest of my days it would be a

(define a (list 1 2 3))
(set-cdr! a a)
(for-each (lambda (x) (display "hello world\n")) a)
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Comment on Re^4: If I was forced to use only one kind of loop for the rest of my days it would be a Download Code

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Re^5: If I was forced to use only one kind of loop for the rest of my days it would be a by ambrus (Abbot) on Sep 30, 2005 at 15:59 UTC
Please read what I said in the parent node. That's not a proper list, so r5rs doesn't guarantee this will work. It does work with some scheme implementations, but MzScheme says `for-each: expects type <proper list> as 2nd argument, given: #0=(1 . # +0#); other arguments were: #<procedure:STDIN::59>` [download] if I type this code in it. Update: let me quote from the r5rs. Read more... (1362 Bytes)	[reply] [d/l]

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Please read what I said in the parent node.

That's not a proper list, so r5rs doesn't guarantee this will work. It does work with some scheme implementations, but MzScheme says

for-each: expects type <proper list> as 2nd argument, given: #0=(1 . #
+0#); other arguments were: #<procedure:STDIN::59>
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Update: let me quote from the r5rs.