Swift delight: availability checking

This is all about going further than plain binary compatibility, so let’s talk about what that means.

— Jordan Rose (@UINT_MIN) October 29, 2021

Part of the Swift Regrets series.

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Swift regret: no-payload enums implicitly conforming to Hashable

This was added very early in Swift. Pattern-matching is all well and good, but in ObjC you can compare enums with `==` and we didn’t want to take that away.

— Jordan Rose (@UINT_MIN) October 22, 2021

Part of the Swift Regrets series.

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Swift regret: cross-file access to let/var in “top-level code”.

This one’s going to take a bit to explain but I think it’s got an interesting analysis behind it. There’s a tension between two different design choices to make the language more convenient.

— Jordan Rose (@UINT_MIN) October 20, 2021

Part of the Swift Regrets series.

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