On Sun, 13 Aug 2006, Marc Weber wrote: > the rand* function are examples for a typical state usage, arent' they? > Is there any reasoon why they are not defined > RandomGen g => State g a > rather than > RandomGen g => (a,a) -> g -> (a,g) > ?
It's probably because Control.Monad.State belongs to the MTL which is outside Prelude. Nonetheless I find it also more convenient to use the State monad for random number generators: http://darcs.haskell.org/htam/src/Stochastic.hs http://www.haskell.org/pipermail/haskell-cafe/2005-May/009775.html _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe