> Crystal also has union types and concurrency. Ruby has had concurrency forever... | Hacker News

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		dragonwriter on April 25, 2022 \| parent \| context \| favorite \| on: Sorbet and 100% cov makes Ruby refactoring possibl... > Crystal also has union types and concurrency. Ruby has had concurrency forever, and as of 3.x also parallelism via Ractors.

metadat on April 25, 2022 [–]

You may be missing the point - Vanilla Ruby is relatively slow and expensive to scale.

That's why I use node.js *grin* /s

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