Henning Thielemann wrote: > On Mon, 16 Feb 2009, Louis Wasserman wrote: > >> Overnight I had the following thought, which I think could work >> rather well. The most basic implementation of the idea is as >> follows: >> >> class MonadST s m | m -> s where >> liftST :: ST s a -> m a >> >> instance MonadST s (ST s) where ... >> instance MonadST s m => MonadST ... > > Like MonadIO, isn't it?
I think it should be, except that you need to track 's' somewhere. Ganesh ============================================================================== Please access the attached hyperlink for an important electronic communications disclaimer: http://www.credit-suisse.com/legal/en/disclaimer_email_ib.html ============================================================================== _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe