@@ -391,4 +391,11 @@
 		otherwise!({return 999;}),
 		when!(D2, (x){return x.length;})
 	), 999);
 }
+
+/// Will be used for dynamic overload resolution pattern
+
+template firstParam(T)
+{
+	alias ParameterTypeTuple!(T)[0] firstParam;
+}