defimpl Protox.JsonMessageDecoder, for: Google.Protobuf.DoubleValue do def decode_message(_initial_message, nil), do: nil def decode_message(initial_message, value) do struct!(initial_message, value: Protox.JsonDecode.decode_value(value, :double)) end end defimpl Protox.JsonMessageEncoder, for: Google.Protobuf.DoubleValue do def encode_message(msg, json_encode) do Protox.JsonEncode.encode_value(msg.value, :double, json_encode) end end