On 4/7/06, Jared Updike <[EMAIL PROTECTED]> wrote: > > given an Ord instance (for a type T) a corresponding Eq instance can be > > given by: > > > > instance Eq T where > > a == b = compare a b == EQ > > where did this second -----^ == come from? (I guess if if Ordering > derives Eq :-) I think you meant
I think another poster essentially already said this, but the second == comes from the Eq instance for type Ordering, which is in the Prelude. So this we can actually rely on. Steve _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
