Allow observation of attribute #190
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I would like to clear some app state when the current HUD display goes away. If this attribute is visible then I can use it in an `onChange` view modifier.
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I would like to clear some app state when the current HUD display goes away. If this attribute is visible then I can use it in an
onChangeview modifier. I'm sure I could work around not having it, but this seemed to be the cleanest and simplest way to make it happen. Thoughts?