| From: David Van Horn (dvanhorn at ccs.neu.edu) Date: Sun Aug 29 20:40:15 EDT 2010 |
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On 8/29/10 8:33 PM, Carl Eastlund wrote: > On Sun, Aug 29, 2010 at 8:32 PM, David Van Horn<dvanhorn at ccs.neu.edu> wrote: >> On 8/29/10 8:27 PM, Carl Eastlund wrote: >>> >>> What do you propose for/first should return if the set s is empty? >> >> #f? > > Which will do what in a 2-valued context? Blow up I suppose. I don't care; I'm not going to use for/first with an empty set. David
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