On Monday 23 July 2007 16:57:08 Simon Marlow wrote: > Dan Licata wrote: > > Simon PJ and I are implementing view patterns, a way of pattern matching > > against abstract datatypes, in GHC. Our design is described here: > > > > http://hackage.haskell.org/trac/ghc/wiki/ViewPatterns > > > > If you have any comments or suggestions about this design, we'd love to > > hear them. You can respond to this list (and we can take it to > > haskell-cafe if the thread gets long) or, if you prefer, directly to me. > > At the risk of being a spoil-sport, I have a somewhat negative take on view > patterns...
F# already has active patterns and there are OCaml macros implementing views. I have used F#'s active patterns extensively and find them to be extremely useful. I can only assume that they will remain similarly useful in Haskell. -- Dr Jon D Harrop, Flying Frog Consultancy Ltd. OCaml for Scientists http://www.ffconsultancy.com/products/ocaml_for_scientists/?e _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe