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I don't see a focus on testing in this course. Was that by design? I feel like a lot of design out there forgets this important implementation detail.

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No, it wasn't by design, but we just didn't have time to talk about it. I talked about testing extremely briefly in one lecture, but I think we will spend more time on this next time we teach the class.

Designing this class was hard because there's just so much stuff out there to talk about, and not enough time... Did you see any topic we covered that you think we could do without and talk about testing instead?

You could drop the OOP lecture and leave detailed notes on the course page instead. I'm not arguing for OOP v FP or anything like that, just that for either (and other) paradigms a specific testing approach might be better suited for this course. Talking about the complexity v. safety trade off might be better suited.

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