> I can understand how calling this kind of function "effectual" makes > sense in the "magic" IO monad, or perhaps even in the ST and State > monads, because the term seems to imply side-effects. However, it is a > misnomer for eg, the Error, List and Cont monads.
It depends a bit on how wide you interpret the term "effectfull". For me, exceptions or partiality (Error), non-determinisms or backtracking (List) and continuations (Cont) are certainly effects. Cheers, Ralf _______________________________________________ Haskell-Cafe mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/haskell-cafe
