Lennart Augustsson wrote:
That program is incorrect, it contains two instances for Monoid Int, and the compiler should flag it as illegal.
Two simultaneous instances are okay as long as you don't use any of those instances, right? Just like two imported symbols with the same name are okay as long as you don't use them.
Martijn. _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
