You can use the record syntax to get around some of this: data P { first :: Int, second :: Int }
firstCoord (P {first = f}) = f 2009/3/9 Peter Verswyvelen <bugf...@gmail.com> > In Haskell, a data constructor can be used partially applied: > data Pair a b = P a b > > f = P 1 > > however, I cannot do "partial pattern matching", e.g > > firstCoord (P x) = x > > does not work. > > I guess a very important reason must exist why this is the case? > > > > > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > > -- /jve
_______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe