1 Apr
2017
1 Apr
'17
7:36 a.m.
You are right. But it gets worse! At first I assumed GHCi might just be saying "All left-handed people should be allowed to drink" but now I'm convinced it's biased. Following your definitions: Prelude> any (<3) (Left Handed) Prelude> False Ouch! No love for left-handed people at all! On 2017-04-01 13:08, Andreas Abel wrote:
GHCi, version 7.10.3: http://www.haskell.org/ghc/ :? for help Prelude> data Handed = Handed Prelude> let drink beer = beer Prelude> all drink (Left Handed) True