enumerate on itr_offset

include/blt/std/ranges.h

@@ -91,6 +91,12 @@ namespace blt
         return enumerator{container.begin(), container.end()};
     }
     
+    template<typename T>
+    static inline auto enumerate(T&& container)
+    {
+        return enumerator{container.begin(), container.end()};
+    }
+    
     template<typename T>
     struct range
     {