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API > API/Runtime > API/Runtime/CoreUObject > API/Runtime/CoreUObject/FScriptMapHelper
Description
Adds a blank, constructed value to a given size. Note that this will create an invalid map because all the keys will be default constructed, and the map needs rehashing.
| Name | AddDefaultValue_Invalid_NeedsRehash |
| Type | function |
| Header File | /Engine/Source/Runtime/CoreUObject/Public/UObject/UnrealType.h |
| Include Path | #include "UObject/UnrealType.h" |
int32 AddDefaultValue_Invalid_NeedsRehash()
The index of the first element added.