VVMNeverDestroyed.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if WITH_VERSE_VM || defined(__INTELLISENSE__)
 
#include "HAL/Platform.h"
#include "VVMLog.h"
 
namespace Verse
{
 
template <typename T>
struct alignas(alignof(T)) TNeverDestroyed
{
    TNeverDestroyed()
    {
        UE_LOG(LogVerseVM, Display, TEXT("Running TNeverDestroyed constructor at %p"), this);
        new (&Get()) T();
    }
 
    T& Get()
    {
        return *reinterpret_cast<T*>(Data);
    }
 
    T& operator*()
    {
        return Get();
    }
 
    T* operator->()
    {
        return &Get();
    }
 
    const T& Get() const
    {
        return *reinterpret_cast<T*>(Data);
    }
 
    const T& operator*() const
    {
        return Get();
    }
 
    const T* operator->() const
    {
        return &Get();
    }
 
private:
    std::byte Data[sizeof(T)];
};
 
} // namespace Verse
#endif // WITH_VERSE_VM