[Haskell-cafe] Flexible instances

George Pollard porges at porg.es
Wed Oct 15 06:28:37 EDT 2008

Thanks to all that replied (Derek & Ryan for the major understanding,
Albert & Luke also)*. I guess I was getting confused with the error

> (All instance types must be of the form (T a1 ... an)

I was interpreting this with Stringable/Enum as T and [Char]/Blah as

Now I have clarity! I shall have to follow up Iavor's lead on why this


*[Silly email reply system; discussions on the internet should form an
acyclic directed graph, not a tree! This, incidentally, is why I'm
replying to myself.]

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: This is a digitally signed message part
Url : http://www.haskell.org/pipermail/haskell-cafe/attachments/20081015/2d18184c/attachment.bin

More information about the Haskell-Cafe mailing list