Type synonyms are implicitly parenthetized, and your :+: is non-associative. Compare:
Thank you. I did not know that. But, I suspected it after my failed experiments. So, I'll have to change my implementation and find a workaround if I can :-(
Christophe. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
