[Haskell-cafe] Problem with own written monad

Paul Johnson paul at cogito.org.uk
Mon Jan 7 13:21:21 EST 2008

Miguel Mitrofanov wrote:
> Yes. It's simply impossible. The Stack data type can't be turned into 
> a monad.
Why not?  Surely this is just a variation on the theme of a state monad?


More information about the Haskell-Cafe mailing list