class Racket < Cask
url 'http://download.racket-lang.org/installers/6.0/racket-6.0-x86_64-macosx.dmg'
homepage 'http://racket-lang.org/'
version '6.0'
sha256 '770d4f7471382319c0d8e083b3acccc0dbe13e6827fdc05cebda93aa51797d9c'
link 'Racket v6.0'
end