GUI2/Grid: made use of std::exchange

wesnoth · Oct 19, 2019 · 4a5d34d · 4a5d34d
1 parent c15cb06
commit 4a5d34d
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/src/gui/widgets/grid.hpp b/src/gui/widgets/grid.hpp
@@ -409,10 +409,7 @@ class grid : public widget
 		 */
 		std::unique_ptr<widget> free_widget()
 		{
-			std::unique_ptr<widget> temp(nullptr);
-			widget_.swap(temp);
-
-			return temp;
+			return std::exchange(widget_, nullptr);
 		}
 
 	private: