hughperkins: > > On 8/10/07, Donald Bruce Stewart <[EMAIL PROTECTED]> > wrote: > > It's using bit arrays. > > Well I'm a total Haskell newbie, and you're using Haskell to > write imperative code, so it's really hard for me to read, > but looking at your code, you have: > > (IOUArray Int Bool) -- an array of Bool > > Bool is a 32-bit value in Haskell AFAIK? (or possibly a > machine-dependent sized value, but certainly not a bit?)
No, STUArray s Int Bool is a bit array. Look at the space use. Or try replacing Bool with Word32, and see what happens. -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
