Yeah I'm thinking that even if I had such a function, it might be impossible to make it play nicely. I think I can do a restricted form of what I want with STRefs and StableNames (still dangerous) so I think I'll stick with that at least while experimenting in haskell.
DCC looks extremely interesting! In fact it looks like I can do what I'm wanting out of the box! I will definitely have to experiment with it :) Thanks, On Wed, Aug 12, 2009 at 12:46 AM, Bernie Pope <florbit...@gmail.com> wrote: > 2009/8/12 Job Vranish <jvran...@gmail.com>: > > Does anybody know if there is some unsafe IO function that would let me > do > > destructive assignment? > > Something like: > > > > a = 5 > > main = do > > veryUnsafeAndYouShouldNeverEveryCallThisFunction_DestructiveAssign a 8 > > print a > >> 8 > > I doubt you will be able to achieve that in Haskell, but there is > another language which does support what you want which is very close > to Haskell. It is called Disciple, and there is a compiler for it > called DDC: > > http://www.haskell.org/haskellwiki/DDC > > DDC is rather young, so it depends on what you are doing as to whether > it will fulfil all your needs. > > Cheers, > Bernie. >
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