From efc1b9df6264133d009313e5c520675914ebbca5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=ED=98=95=EC=A4=80?= <khjkhj2804@naver.com>
Date: Fri, 5 Aug 2022 11:39:33 +0900
Subject: [PATCH] added nlohmann::json operator+

Add a simple plus operator to easily combine json objects
---
 include/nlohmann/json.hpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/nlohmann/json.hpp b/include/nlohmann/json.hpp
index 49188b314..1a194e8b7 100644
--- a/include/nlohmann/json.hpp
+++ b/include/nlohmann/json.hpp
@@ -5074,6 +5074,22 @@ std::string to_string(const NLOHMANN_BASIC_JSON_TPL& j)
     return j.dump();
 }
 
+inline nlohmann::json operator+(const nlohmann::json& lhs, const nlohmann::json& rhs)
+{
+    nlohmann::json ret;
+    for (const auto& el : lhs.items())
+    {
+        ret[el.key()] = el.value();
+    }
+
+    for (const auto& el : rhs.items())
+    {
+        ret[el.key()] = el.value();
+    }
+
+    return ret;
+}
+
 inline namespace literals
 {
 inline namespace json_literals