Core/TypeTag: Add Type helper typedef

ChangeLog.md

@@ -191,6 +191,7 @@ Nazara Engine:
 - Added PhysWorld2D::[RaycastQuery, RegionQuery] overloads taking a callback
 - Added x and y mouse position to MouseWheelEvent
 - Added SimpleTextDrawer::[Get|Set]MaxLineWidth (which does line wrap)
+- TypeTag helper struct now includes a Type using
 
 Nazara Development Kit:
 - Added ImageWidget (#139)

include/Nazara/Core/TypeTag.hpp

@@ -10,7 +10,10 @@
 namespace Nz
 {
 	template<typename T>
-	struct TypeTag {};
+	struct TypeTag
+	{
+		using Type = T;
+	};
 }
 
 #endif // NAZARA_TYPETAG_HPP