{cabal}: cabal.mkDerivation (self : { pname = "data-default"; version = "0.2.0.1"; sha256 = "0hhrzaykwybqpig0kss4iq1i93ygb80g8i1chpr84akmvdr07w0i"; meta = { description = "A class for types with a default value"; license = "BSD"; maintainers = [self.stdenv.lib.maintainers.andres]; }; })