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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Noncopyable.h>
#include <AK/Types.h>
namespace AK {
template<typename T>
class NeverDestroyed {
AK_MAKE_NONCOPYABLE(NeverDestroyed);
AK_MAKE_NONMOVABLE(NeverDestroyed);
public:
template<typename... Args>
NeverDestroyed(Args&&... args)
{
new (storage) T(forward<Args>(args)...);
}
~NeverDestroyed() = default;
T* operator->() { return &get(); }
T const* operator->() const { return &get(); }
T& operator*() { return get(); }
T const& operator*() const { return get(); }
T& get() { return reinterpret_cast<T&>(storage); }
T const& get() const { return reinterpret_cast<T&>(storage); }
private:
alignas(T) u8 storage[sizeof(T)];
};
}
#if USING_AK_GLOBALLY
using AK::NeverDestroyed;
#endif
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