The restriction that a method context must constrain at least one
type variable that is quantified there has biten me:
class Member c a | c - a where member :: Eq a = c - a - Bool
class Member (s a) a = Sequence s a where single :: a - s a
instance Member [a] a where member s a = elem a s
Can anyone recommend a good graphics library that compiles simply under
GHC and can do simple things like line drawing and window manipulating
ver easily?
-stephen
Hi!
I hope this isn't a FAQ, but AFAIR this hasn't been asked in the past:
Are there plans to replace the ghc frontend (driver), which is currently
written in perl, by a version implemented in Haskell?
I know that perl is nice for fiddling with command line options, but on
the other hand, it's