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-rw-r--r--deps/v8/src/base/adapters.h55
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diff --git a/deps/v8/src/base/adapters.h b/deps/v8/src/base/adapters.h
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-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Slightly adapted for inclusion in V8.
-// Copyright 2014 the V8 project authors. All rights reserved.
-
-#ifndef V8_BASE_ADAPTERS_H_
-#define V8_BASE_ADAPTERS_H_
-
-#include <iterator>
-
-#include "src/base/macros.h"
-
-namespace v8 {
-namespace base {
-
-// Internal adapter class for implementing base::Reversed.
-template <typename T>
-class ReversedAdapter {
- public:
- using Iterator =
- std::reverse_iterator<decltype(std::begin(std::declval<T>()))>;
-
- explicit ReversedAdapter(T& t) : t_(t) {}
- ReversedAdapter(const ReversedAdapter& ra) V8_NOEXCEPT = default;
-
- // TODO(clemensh): Use std::rbegin/std::rend once we have C++14 support.
- Iterator begin() const { return Iterator(std::end(t_)); }
- Iterator end() const { return Iterator(std::begin(t_)); }
-
- private:
- T& t_;
-
- DISALLOW_ASSIGN(ReversedAdapter);
-};
-
-// Reversed returns a container adapter usable in a range-based "for" statement
-// for iterating a reversible container in reverse order.
-//
-// Example:
-//
-// std::vector<int> v = ...;
-// for (int i : base::Reversed(v)) {
-// // iterates through v from back to front
-// }
-template <typename T>
-ReversedAdapter<T> Reversed(T&& t) {
- return ReversedAdapter<T>(t);
-}
-
-} // namespace base
-} // namespace v8
-
-#endif // V8_BASE_ADAPTERS_H_