UDocumentation UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
Launder.h
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1// Copyright Epic Games, Inc. All Rights Reserved.
2#pragma once
3
4#if __cplusplus >= 201703L
5#include <new> // IWYU pragma: export
6#define UE_LAUNDER(x) std::launder(x)
7#else
8#define UE_LAUNDER(x) (x)
9#endif