depot/third_party/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix

{
  lib,
  buildDunePackage,
  fetchFromGitLab,
  ppxlib,
  ppx_deriving,
  result,
}:

buildDunePackage rec {
  pname = "visitors";
  version = "20250212";

  duneVersion = "3";

  minimalOCamlVersion = "4.08";

  src = fetchFromGitLab {
    owner = "fpottier";
    repo = pname;
    rev = version;
    domain = "gitlab.inria.fr";
    sha256 = "sha256-AFD4+vriwVGt6lzDyIDuIMadakcgB4j235yty5qqFgQ=";
  };

  propagatedBuildInputs = [
    ppxlib
    ppx_deriving
    result
  ];

  meta = with lib; {
    homepage = "https://gitlab.inria.fr/fpottier/visitors";
    changelog = "https://gitlab.inria.fr/fpottier/visitors/-/raw/${version}/CHANGES.md";
    license = licenses.lgpl21;
    description = "OCaml syntax extension (technically, a ppx_deriving plugin) which generates object-oriented visitors for traversing and transforming data structures";
    maintainers = [ ];
  };
}