I really enjoyed your Functionalist talk but I can’t get Drawing to work per your slides. Any hints?
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.last returns a value; you can't chain mutation like that.
var action = drawing.actions.last!
action.append()…
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Ah of course. But then in your slide, how does projectedDrawing get the projectedSample? Remove last DrawAction and re-add?
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Thanks for your help by the way. I’m still trying to learn how to dance with value types more effectively.