Why can't I pass by reference for delegates?

Development Programming & Scripting
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1

Hi! I was trying to pass an array to a FStreamableDelegate as a reference. This works fine when I change the argument for OnLoadRoomClasses to pass by value instead, so I have no problem doing that.

However, why does passing a reference to this delegate not work? Am I doing something wrong when passing by reference?

void ADungeonGameMode::LoadRoomClasses(const TArray<FRoomInformation>& RoomsInformation)
{
       // ...
	
       FStreamableDelegate Delegate = FStreamableDelegate::CreateUObject(this, &ADungeonGameMode::OnLoadRoomClasses, RoomsInformation);

     // ...
}

void ADungeonGameMode::OnLoadRoomClasses(const TArray<FRoomInformation>& RoomsInformation)
{
     // ...
}