{ mkDerivation, base, fetchurl, QuickCheck, split }:
mkDerivation {
  pname = "boxes";
  version = "0.1.4";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base split ];
  testHaskellDepends = [ base QuickCheck split ];
  description = "2D text pretty-printing library";
  license = stdenv.lib.licenses.bsd3;
}