11 Jul
2003
11 Jul
'03
6:07 a.m.
In article <16140.55249.147965.603167@cerise.nosuchdomain.co.uk>, Glynn Clements <glynn.clements@virgin.net> wrote:
instance Num Vector where
Except that class instances have to be algebraic datatypes ("data") or renamed datatypes ("newtype"), but not type synonyms ("type").
That's not true, is it? I mean as long as there isn't already some overlapping instance, I think it's quite OK. -- Ashley Yakeley, Seattle WA