Re: [Haskell-cafe] lifting between two StateT monads

Apologies to Alexander for the multiple copies, I forgot to hit 'Reply to all' again. On 01/07/06, Alexander Vodomerov <alex@sectorb.msk.ru> wrote:

I've looked through StateT documentation and tutorial, but had not found any function from StateT X to StateT Y where Y is not the same as X.

Try runState. You'd need to grab the state in your g computation, then runState f with the nth part of Y. -- -David House, dmhouse@gmail.com