nixpkgs/pkgs/development/ocaml-modules/lwt/ppx.nix

{ stdenv, buildDunePackage, lwt, ppx_tools_versioned }:

buildDunePackage {
  pname = "lwt_ppx";

  inherit (lwt) src version;

  buildInputs = [ ppx_tools_versioned ];
  propagatedBuildInputs = [ lwt ];

  meta = {
    description = "Ppx syntax extension for Lwt";
    inherit (lwt.meta) license homepage maintainers;
  };
}