Tomasz Zielonka <[EMAIL PROTECTED]> writes: > On Fri, Jan 14, 2005 at 09:17:41AM +0100, Gracjan Polak wrote: >> This algorithm seems not effective, length, take, drop and (!!) are >> costly. Is there any better way to implement shuffle?
> You can use mutable arrays (modules Data.Array.MArray, Data.Array.IO). But is that better, really? IIUC, you will now need to shift the first part of the string to the right, so it's still a linear operation for each shuffle. -kzm -- If I haven't seen further, it is by standing in the footprints of giants _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe