DirectHeaderCompiling.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
// C5105: macro expansion producing 'defined' has undefined behavior
// however, in all compilers we use, the behavior is as desired
#pragma warning(disable : 5105) 
 
// Used to allow control flow when direct header compiling to avoid issues with headers
// that typically expect to be included after another header
#ifndef UE_DIRECT_HEADER_COMPILING
    #define UE_DIRECT_HEADER_COMPILING(id) defined __COMPILING_##id
#endif