{ mkDerivation, base, fetchurl, ghc-prim, hashable, primitive
, vector
}:
mkDerivation {
  pname = "hashtables";
  version = "1.2.2.1";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base ghc-prim hashable primitive vector
  ];
  homepage = "http://github.com/gregorycollins/hashtables";
  description = "Mutable hash tables in the ST monad";
  license = stdenv.lib.licenses.bsd3;
}