https://www.sw4sd.com/hasksheet/ 2026-04-17T09:40:27+00:00 https://www.sw4sd.com/hasksheet/ https://www.sw4sd.com/hasksheet/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-10-07T22:49:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.sw4sd.com/hasksheet/doku.php?id=modules:prelude:basictypeclasses&rev=1759877346&do=diff Basic type classes Eq * source: class Eq a * main functions * (==) :: a -> a -> Bool infix 4, true if equal otherwise false * (/=) :: a -> a -> Bool infix 4, false if equal otherwise true * Minimal complete definition: either == or /=. Ord *