23 Oct
2008
23 Oct
'08
4:21 a.m.
Num is basically Ring, but is spoiled by the inclusion of abs and signum, which of course mainly only make sense for subrings of C.
Hello, I see that there is a "Monoid" class from Data.Monoid. What other algebras like Group, Ring, etc. have support in Haskell?Thanks, Vasili