vector::cbegin cend

src/vector

@@ -183,6 +183,11 @@ namespace std
 			return data_;
 		}
 
+		inline const_iterator cbegin() const
+		{
+			return data_;
+		}
+
 		inline iterator end()
 		{
 			return (data_ + elements);
@@ -193,6 +198,11 @@ namespace std
 			return (data_ + elements);
 		}
 
+		inline const_iterator cend() const
+		{
+			return (data_ + elements);
+		}
+
 		inline reverse_iterator rbegin()
 		{
 			return reverse_iterator(end());
@@ -203,6 +213,11 @@ namespace std
 			return const_reverse_iterator(end());
 		}
 
+		inline const_reverse_iterator crbegin() const
+		{
+			return const_reverse_iterator(end());
+		}
+
 		inline reverse_iterator rend()
 		{
 			return reverse_iterator(begin());
@@ -213,6 +228,11 @@ namespace std
 			return const_reverse_iterator(begin());
 		}
 
+		inline const_reverse_iterator crend() const
+		{
+			return const_reverse_iterator(begin());
+		}
+
 		inline size_type size() const
 		{
 			return elements;