Hi taken from ch.8.3 in the Hutton book:"Whereas return v always succeeds, the dual parser failure always fails regardless of the contents of the input string:"
The dual parser failure? Cheers, Paul
_______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
