Is it not allowed to nest TArray with UPROPERTY like TArray<TArray<FName>>?

Development Programming & Scripting
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1

Is it not allowed to nest TArray with UPROPERTY like TArray<TArray>?

There’s no error with UPROPERTY() TArray on the left.

But with UPROPERTY() TArray<TArray>, an error occurs.

Is it not possible to have UPROPERTY in a nested state?

	UPROPERTY()
	TArray<TArray<int>> MasterDataGroupLabelMapArray;

MasterBaseRepository.h(116): Error  : The type 'TArray<int32>' can not be used as a value in a TArray
2

it’s not possible, if you really need this functionality, wrap the inner array in a struct and make the outer array an array of that struct instead

3

Thank you very much!

When nesting container classes like TArray and TMap, it is necessary to insert a struct in between…
It might be a bit difficult, but I’ll give it a try…