{ mkDerivation, base, bifunctors, contravariant, fetchurl, ghc-prim
, HUnit, profunctors, tagged, transformers
}:
mkDerivation {
  pname = "one-liner";
  version = "0.9.2";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base bifunctors contravariant ghc-prim profunctors tagged
    transformers
  ];
  testHaskellDepends = [ base contravariant HUnit ];
  homepage = "https://github.com/sjoerdvisscher/one-liner";
  description = "Constraint-based generics";
  license = stdenv.lib.licenses.bsd3;
}