The question is, is there some very important reason you can't do this? firstCoord (P x _) = x
2009/3/9 Peter Verswyvelen <[email protected]> > 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 > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe > >
_______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
