Language design is hard. Language extension design is harder. Everybody who isn’t a language designer seems to think these tasks are easy.https://twitter.com/AdamRackis/status/913464530843422721 …
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Replying to @awbjs
That's why you need language extension *inside* the language: then thousands experiment instead of one committee designing out of ignorance.
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But that’s hard, too. :-)
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It's even harder when you don't even try, and ignore large bodies of successful prior art.
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Not ignored. Deeply understood, implementations Not ignored, rather deeply understood and implications fully considered. Trade-offs made to resolve conflicting requirements. It took TC39 8+ years to reach consensus on encapsulated private state design.
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Exactly the issue: consensus even on small features is expensive. Better invest in infrastructure that reduces the need for consensus.
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