I'm working on a library in which I have a bunch of Widget types (Label, Button, Switch, VStack, List, etc), and I'm currently storing Widgets in SlotMaps, keyed by WidgetId. My widget slot-maps are currently part of root Window, so I can find a widget with a Window+WidgetId pair, which in other languages might be just a Widget object pointer.

My question is, should I pass the Window around everywhere, or should I move my widget slot-maps to a static mut container, so that I only pass around WidgetIds? I thought static muts where "bad", but passing around the Window also seems awkward. Maybe it's just that I need to get used to it, because it's different from other languages.

[edit to clarify: widgets vs widget types]

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