2 May
2009
2 May
'09
5:09 a.m.
Paul Keir schrieb:
There's nothing better than making a data type an instance of Num. In particular, fromInteger is a joy. But how about lists?
http://www.haskell.org/haskellwiki/Num_instance_for_functions http://www.haskell.org/haskellwiki/Type_classes_are_for_reusability