InvisibleCopies.cpp

struct FWidget 
{
    FWidget() : Name() {}
    FWidget(FString Name) : Name(Name) {}
    FWidget(FWidget Other) : Name(Other.Name) {}
        
    void ProcessIntensity(float Intensity) { /** **/ }
    
    FString Name;
}

void ProcessWidgets(const TArray<FWidget> WidgetsToProcess, float Intensity)
{
    for(auto Widget : WidgetsToProcess)
    {
        Widget.ProcessIntensity(Intensity);
    }
}

TArray<FWidget> CollectWidgets()
{
    TArray<FWidget> Widgets;
    // collect
    return Widgets;
}

// returns default Widget if can't be found
FWidget FindWidget(const TArray<FWidget> WidgetsToSearch, FString Name)
{
    for(const auto Widget : WidgetsToSearch)
    {
        if (Widget.Name == Name)
        {
            return Widget;
        }
    }
    return FWidget();
}

void Main()
{
    const TArray<FWidget> Widgets = CollectWidgets();
    
    ProcessWidgets(Widgets, 99.9f);
    
    const FWidget Found = FindWidget(Widgets, TEXT("Find me"));
}