| // Copyright 2013 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_SYS_INFO_INTERNAL_H_ |
| #define BASE_SYS_INFO_INTERNAL_H_ |
| |
| namespace base { |
| |
| namespace internal { |
| |
| template<typename T, T (*F)(void)> |
| class LazySysInfoValue { |
| public: |
| LazySysInfoValue() |
| : value_(F()) { } |
| |
| ~LazySysInfoValue() { } |
| |
| T value() { return value_; } |
| |
| private: |
| const T value_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LazySysInfoValue); |
| }; |
| |
| } // namespace internal |
| |
| } // namespace base |
| |
| #endif // BASE_SYS_INFO_INTERNAL_H_ |