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Unreal Engine C++ API Reference > Runtime > CoreUObject > UObject > FMapProperty
References
| Module | CoreUObject |
| Header | /Engine/Source/Runtime/CoreUObject/Public/UObject/UnrealType.h |
| Include | #include "UObject/UnrealType.h" |
int32 GetNum
&40;
void &42; InMap
&41; const
Remarks
Helper function to get the number of key/value pairs inside of a map. Used by the garbage collector where for performance reasons the provided map pointer is not guarded