From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 27 Aug 2023 10:59:18 +0000 (+0300)
Subject: Add a moving overload of insert_unique
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=320a6dc3c78f9b06fa19dd26ebea04c3c5a8b6a2;p=libs%2Fcore.git

Add a moving overload of insert_unique
---

diff --git a/source/core/maputils.h b/source/core/maputils.h
index 9a72d4d..94947a1 100644
--- a/source/core/maputils.h
+++ b/source/core/maputils.h
@@ -90,6 +90,15 @@ typename T::iterator insert_unique(T &map, const typename T::key_type &key, cons
 	return map.insert(std::make_pair(key, item)).first;
 }
 
+template<typename T>
+typename T::iterator insert_unique(T &map, const typename T::key_type &key, typename T::mapped_type &&item)
+{
+	if(map.count(key))
+		throw key_error(key);
+
+	return map.insert(std::make_pair(key, std::move(item))).first;
+}
+
 template<typename T>
 void remove_existing(T &map, const typename T::key_type &key)
 {