X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fcore%2Fmaputils.h;h=66b4e3baf82c50d815f5bcf4ce0615729ebbf0fb;hp=ecee0fbea45955dbf9bef8f8bf296bb387b3e414;hb=acafbe566fb6f6b5592a2ec3dec667ba7cd3e7e4;hpb=85c6b143c9b85ce09ee4f3cb842d3ae006b7a6fe

diff --git a/source/core/maputils.h b/source/core/maputils.h
index ecee0fb..66b4e3b 100644
--- a/source/core/maputils.h
+++ b/source/core/maputils.h
@@ -74,8 +74,14 @@ const typename T::mapped_type &get_item(const T &map, const typename T::key_type
 	return i->second;
 }
 
+template<typename D, typename T>
+D *get_item(const T &map, const typename T::key_type &key)
+{
+	return dynamic_cast<D *>(get_item(map, key));
+}
+
 template<typename T>
-const typename T::iterator insert_unique(T &map, const typename T::key_type &key, const typename T::mapped_type &item)
+typename T::iterator insert_unique(T &map, const typename T::key_type &key, const typename T::mapped_type &item)
 {
 	if(map.count(key))
 		throw key_error(key);