nixpkgs/pkgs/development/ocaml-modules/conduit/async.nix

{ lib, buildDunePackage, async, async_ssl, ppx_sexp_conv, conduit }:

if !lib.versionAtLeast conduit.version "1.0"
then conduit
else

buildDunePackage {
  pname = "conduit-async";
  useDune2 = true;
  inherit (conduit) version src;

  buildInputs = [ ppx_sexp_conv ];

  propagatedBuildInputs = [ async async_ssl conduit ];

  meta = conduit.meta // {
    description = "A network connection establishment library for Async";
  };
}