
3 Aug
2006
3 Aug
'06
2:42 a.m.
does anyone else think this would be useful to provide?
module Data.Perhaps where
data Perhaps = No | Maybe | Yes deriving(Eq,Ord,Show,Read,Enum,Bounded)
instance Monoid Perhaps ... ...
I only ask because it has come up as useful several times in projects I work on. John -- John Meacham - ⑆repetae.net⑆john⑈