#pragma once #include "CoreTypes.h" NAMESPACE_REDCRAFT_BEGIN NAMESPACE_MODULE_BEGIN(Redcraft) NAMESPACE_MODULE_BEGIN(Utility) struct FNoncopyable { FNoncopyable() = default; FNoncopyable(const FNoncopyable&) = delete; FNoncopyable& operator=(const FNoncopyable&) = delete; }; struct FNonmovable { FNonmovable() = default; FNonmovable(FNonmovable&&) = delete; FNonmovable& operator=(FNonmovable&&) = delete; }; // Multiple inheritance is no longer used here, as that would break the EBO in MSVC struct FSingleton // : FNoncopyable, FNonmovable { FSingleton() = default; FSingleton(const FSingleton&) = delete; FSingleton(FSingleton&&) = delete; FSingleton& operator=(const FSingleton&) = delete; FSingleton& operator=(FSingleton&&) = delete; }; NAMESPACE_MODULE_END(Utility) NAMESPACE_MODULE_END(Redcraft) NAMESPACE_REDCRAFT_END