nixpkgs/pkgs/development/libraries/haskell/Diff/default.nix

{cabal} :

cabal.mkDerivation (self : {
  pname = "Diff";
  version = "0.1.3";
  sha256 = "02dhy4rp3mkzm5x3h1rkdin2h8qcb7h7nhn14gl2gvl6wdykfh5w";
  meta = {
    description = "O(ND) diff algorithm in haskell.";
    license = self.stdenv.lib.licenses.bsd3;
    platforms = self.ghc.meta.platforms;
    maintainers = [ self.stdenv.lib.maintainers.simons ];
  };
})