In addition to a new lesson on wildcard types yesterday, I've adopted 3-space indentation for all http://scala.zone lessons. I'm not sure I prefer it to 2-space indentation, but it's the official recommendation, and it's such a minor detail nobody should be too bothered.
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It’s the official recommendation... for the next couple of hours
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“Yes, I agree. We will not be able to mandate that, nor do we want to” https://contributors.scala-lang.org/t/feedback-sought-optional-braces/4702/387 … It doesn’t feel that “official” judging by the tone of the conversation going on there
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Plus, you will soon need to update the examples to use “with” instead of “:”, but I’d wait, tomorrow is another day! Also keep in mind that “ '..' might make a comeback later”
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