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Graydon Hoare: What next for compiled languages?

Since everybody is talking about this post,we might as well.

Key topics discussed: modules(you know, real ones); errors ("there are serious abstraction leakages and design trade-offs in nearly every known approach"); Coroutines, async/await, "user-visible" asynchronicity; effect systems, more generally (you could see that coming, couldn't you?); Extended static checking (ESC), refinement types, general dependent-typed languages; and formalization ("we have to get to the point where we ship languages -- and implementations -- with strong, proven foundations").

He goes on to discuss a whole grab bag of "potential extras" for mainstream languages, including the all time favorite: units of measure.

Feel free to link to the relevant discussions from the LtU archive...