From 7c6b10a1be984fd039eb3a4dc39921b70be6b07d Mon Sep 17 00:00:00 2001
From: MistEO <mistereo@hotmail.com>
Date: Sat, 21 Oct 2023 05:00:28 +0800
Subject: [PATCH] feat: add declare for serialize

---
 include/json.hpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/include/json.hpp b/include/json.hpp
index 1e08096..c5f6b7b 100644
--- a/include/json.hpp
+++ b/include/json.hpp
@@ -565,6 +565,15 @@ namespace literals
 template <typename string_t = default_string_t>
 const basic_value<string_t> invalid_value();
 
+namespace _serialization_helper
+{
+    template <typename>
+    class streamer;
+}
+template <bool stream, typename any_t, typename string_t = default_string_t,
+          typename streamer_t = _serialization_helper::string_streamer<string_t>>
+basic_value<string_t> serialize(any_t&& arg, streamer_t&& streamer = streamer_t());
+
 // ******************************
 // *      basic_value impl      *
 // ******************************
@@ -2592,9 +2601,8 @@ namespace _serialization_helper
     }
 }
 
-template <bool stream, typename any_t, typename string_t = default_string_t,
-          typename streamer_t = _serialization_helper::string_streamer<string_t>>
-MEOJSON_INLINE basic_value<string_t> serialize(any_t&& arg, streamer_t&& streamer = streamer_t())
+template <bool stream, typename any_t, typename string_t, typename streamer_t>
+MEOJSON_INLINE basic_value<string_t> serialize(any_t&& arg, streamer_t&& streamer)
 {
     using namespace _serialization_helper;