From 6fe08a456236d5c0f0231df2d50783d2b529b831 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 24 May 2019 19:58:39 +0300
Subject: [PATCH] Add a version of get_item that dynamic_casts the result

---
 source/core/maputils.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/core/maputils.h b/source/core/maputils.h
index 2495a1e..66b4e3b 100644
--- a/source/core/maputils.h
+++ b/source/core/maputils.h
@@ -74,6 +74,12 @@ 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>
 typename T::iterator insert_unique(T &map, const typename T::key_type &key, const typename T::mapped_type &item)
 {
-- 
2.43.0