{ cabal }: cabal.mkDerivation (self: { pname = "data-default-class"; version = "0.0.1"; sha256 = "0ccgr3jllinchqhw3lsn73ic6axk4196if5274rr1rghls0fxj5d"; meta = { description = "A class for types with a default value"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.simons ]; }; })