On Sat, Apr 5, 2008 at 4:00 PM, Cale Gibbard <[EMAIL PROTECTED]> wrote: > GHC has a special syntax for using ArrowApply (which HXT is an > instance of). Whenever the expression to the left of -< needs to > involve a local variable, you can replace -< with -<< and it should > work. To understand better what it means, you can read > http://www.haskell.org/ghc/docs/latest/html/users_guide/arrow-notation.html
Sweet! I didn't know that; I knew that ArrowApply gave you the ability to use bindings in the arrows, but it always bugged me that I couldn't even when I did have an instance. Go GHC! :-) Luke _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe