On Apr 14, 2006, at 12:25 PM, Lajos Nagy wrote:
I was just musing the other day about the possibility of allowing (efficient and transparent) destructive updates in certain situations. Take the following (giberish) example:
f xs = g xs [] where g [] ac = ac g (x1:x2:xs) ac = g xs (ac ++ [x2,x1])
It seems to me that the list concatenation in the tail recursion call can be safely performed destructively. Does anybody know about any research going on in this area? (Mind you: no linear types, no monads, only `under the hood' compiler optimization.)
I'm aware of the fact that this would imply another kind of overloading (destructive vs. non-destructive) for functions which also seems an interesting research area.
http://portal.acm.org/citation.cfm?id=99375&dl=GUIDE&coll=GUIDE Its a little old, but covers some interesting ground.
Regards,
-- Lajos Nagy Computer Science Ph.D. Student, Florida Institute of Technology
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