| // Copyright (c) 2010 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. |
| |
| #ifndef BASE_TEMPLATE_UTIL_H_ |
| #define BASE_TEMPLATE_UTIL_H_ |
| #pragma once |
| |
| namespace base { |
| |
| // template definitions from tr1 |
| |
| template<class T, T v> |
| struct integral_constant { |
| static const T value = v; |
| typedef T value_type; |
| typedef integral_constant<T, v> type; |
| }; |
| |
| template <class T, T v> const T integral_constant<T, v>::value; |
| |
| typedef integral_constant<bool, true> true_type; |
| typedef integral_constant<bool, false> false_type; |
| |
| template <class T> struct is_pointer : false_type {}; |
| template <class T> struct is_pointer<T*> : true_type {}; |
| |
| } // namespace base |
| |
| #endif // BASE_TEMPLATE_UTIL_H_ |