1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef BASE_SYS_INFO_INTERNAL_H_
6#define BASE_SYS_INFO_INTERNAL_H_
7
8#include "base/basictypes.h"
9
10namespace base {
11
12namespace internal {
13
14template<typename T, T (*F)(void)>
15class LazySysInfoValue {
16 public:
17  LazySysInfoValue()
18      : value_(F()) { }
19
20  ~LazySysInfoValue() { }
21
22  T value() { return value_; }
23
24 private:
25  const T value_;
26
27  DISALLOW_COPY_AND_ASSIGN(LazySysInfoValue);
28};
29
30}  // namespace internal
31
32}  // namespace base
33
34#endif  // BASE_SYS_INFO_INTERNAL_H_
35