Index: base/containers/adapters.h |
diff --git a/base/containers/adapters.h b/base/containers/adapters.h |
index cc151fc2468bfd630f80e959437fe95fb2d3724b..fa671b46d991ae1bafab2632fd60c4ebb8fa42bf 100644 |
--- a/base/containers/adapters.h |
+++ b/base/containers/adapters.h |
@@ -5,6 +5,10 @@ |
#ifndef BASE_CONTAINERS_ADAPTERS_H_ |
#define BASE_CONTAINERS_ADAPTERS_H_ |
+#include <stddef.h> |
+ |
+#include <iterator> |
+ |
#include "base/macros.h" |
namespace base { |
@@ -15,11 +19,13 @@ namespace internal { |
template <typename T> |
class ReversedAdapter { |
public: |
- typedef decltype(static_cast<T*>(nullptr)->rbegin()) Iterator; |
+ using Iterator = decltype(static_cast<T*>(nullptr)->rbegin()); |
explicit ReversedAdapter(T& t) : t_(t) {} |
ReversedAdapter(const ReversedAdapter& ra) : t_(ra.t_) {} |
+ // TODO(mdempsky): Once we can use C++14 library features, use std::rbegin |
+ // and std::rend instead, so we can remove the specialization below. |
Iterator begin() const { return t_.rbegin(); } |
Iterator end() const { return t_.rend(); } |
@@ -29,6 +35,23 @@ class ReversedAdapter { |
DISALLOW_ASSIGN(ReversedAdapter); |
}; |
+template <typename T, size_t N> |
+class ReversedAdapter<T[N]> { |
+ public: |
+ using Iterator = std::reverse_iterator<T*>; |
+ |
+ explicit ReversedAdapter(T (&t)[N]) : t_(t) {} |
+ ReversedAdapter(const ReversedAdapter& ra) : t_(ra.t_) {} |
+ |
+ Iterator begin() const { return Iterator(&t_[N]); } |
+ Iterator end() const { return Iterator(&t_[0]); } |
+ |
+ private: |
+ T (&t_)[N]; |
+ |
+ DISALLOW_ASSIGN(ReversedAdapter); |
+}; |
+ |
} // namespace internal |
// Reversed returns a container adapter usable in a range-based "for" statement |