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// 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_
#include "base/macros.h"
namespace base {
namespace internal {
template<typename T, T (*F)(void)>
class LazySysInfoValue {
public:
LazySysInfoValue()
: value_(F()) { }
~LazySysInfoValue() = default;
T value() { return value_; }
private:
const T value_;
DISALLOW_COPY_AND_ASSIGN(LazySysInfoValue);
};
} // namespace internal
} // namespace base
#endif // BASE_SYS_INFO_INTERNAL_H_