C++ MACRO - Beginner

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#1

Regarding this line:
class BUILDINGESCAPE_API UPositionReport : public UActorComponent

Where can i find some tutorials or help to understand whats going on here with that Macro “BUILDINGESCAPE_API”. I have never seen a Macro used in a class definition like that, and its driving me nuts

#2

The macro expands to nothing. It’s used as part of Unreal’s build system to say that class is part of the BuildingEscape module.

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#3

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