{ mkDerivation, base, fetchurl, HUnit, QuickCheck, test-framework
, test-framework-hunit, test-framework-quickcheck2
}:
mkDerivation {
  pname = "fingertree";
  version = "0.1.3.1";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [ base ];
  testHaskellDepends = [
    base HUnit QuickCheck test-framework test-framework-hunit
    test-framework-quickcheck2
  ];
  description = "Generic finger-tree structure, with example instances";
  license = stdenv.lib.licenses.bsd3;
}