alef 0.25.26

Opinionated polyglot binding generator for Rust libraries
Documentation 
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  @doc false
  defp do_visitor_receive_loop(visitor) do
    receive do
      {:visitor_callback, ref_id, callback_name, args_json} ->
        result =
          case Map.get(visitor, callback_name) do
            nil -> "{{ default_result_wire_name }}"
            fun -> apply_visitor_callback(fun, args_json)
          end

        {{ native_mod }}.visitor_reply(ref_id, result)
        do_visitor_receive_loop(visitor)

      {:ok, result} ->
        {:ok, result}

      {:error, reason} ->
        {:error, reason}
    after
      30_000 ->
        {:error, "visitor callback timeout after 30s"}
    end
  end

  @doc false
  defp apply_visitor_callback(fun, args_json) do
    args = Jason.decode!(args_json)
    result = fun.(args)

    case result do
{% for variant in unit_result_variants %}
      "{{ variant.wire_name }}" -> "{{ variant.wire_name }}"
{% if variant.atom_name %}
      :{{ variant.atom_name }} -> "{{ variant.wire_name }}"
{% endif %}
{% endfor %}
      {:custom, value} -> to_string(value)
      binary when is_binary(binary) -> binary
      _ -> "{{ default_result_wire_name }}"
    end
  end