{ mkDerivation, base, stdenv }:
mkDerivation {
  pname = "ratio-int";
  version = "0.1.2";
  sha256 = "deadbeef";
  libraryHaskellDepends = [ base ];
  homepage = "https://github.com/RaphaelJ/ratio-int";
  description = "Fast specialisation of Data.Ratio for Int.";
  license = stdenv.lib.licenses.bsd3;
}