Mark Carroll
Mon, 20 Aug 2001 16:58:22 -0400 (EDT)

On Tue, 21 Aug 2001, Tom Pledger wrote:

Aha, thank you very much. This explains a lot - I had assumed that Haskell
must already have had something of the sort that nobody had told me about,
but apparently not! I again tripped over my assumptions. (-: So, as
Haskell 98 stands, you _can't_ make your own type classes that types can
'derive' from. It is interesting to see the extensions that people have
been proposing - I wonder what the next version of Haskell will look like,
and when. (-:

-- Mark