class HaskellPlatform < Cask url 'http://lambda.haskell.org/platform/download/2013.2.0.0/Haskell%20Platform%202013.2.0.0%2064bit.pkg' homepage 'http://www.haskell.org/platform/' version '2013.2.0.0' sha1 '89e6fb747816af69acabc5c04cee103257855614' install 'Haskell Platform 2013.2.0.0 64bit.pkg' end