{ mkDerivation, array, base, containers, fetchurl, mtl, semigroups
}:
mkDerivation {
  pname = "frisby";
  version = "0.2.2";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ array base containers mtl semigroups ];
  homepage = "http://repetae.net/computer/frisby/";
  description = "Linear time composable parser for PEG grammars";
  license = stdenv.lib.licenses.bsd3;
}