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Comment by weatherlight | Hacker News Reader

Im not sure if Crystal had hit it's 1.0 release by the time they selected ruby for this project, other than a ruby-like repl, it seems like it hits all the marks

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We use Crystal a lot too at Crunchy Bridge. It is used for all of the on-instance programs, the per-region monitoring service, as well as the customer CLI. I'm a big fan of Crystal, and wrote the postgres driver for the language :)

However a main reason we used Ruby was for the production REPL which lets us manage our entire server fleet with like 1/3 of the staff we'd need otherwise.

Amen to that. We reached $2M ARR as 3 engineers at Missive [1]. As the CTO, I can tell life wouldn’t quite be the same without the ability to save the day in the production console at the speed of light.

[1] https://missiveapp.com/

> production REPL which lets us manage our entire server fleet with like 1/3 of the staff

I'm intrigued. Are you talking about the `rails console` REPL? How did that allow you to manage your fleet with 1/3 staff?

thank willl.

When I investigate in Crystal I found your github and your Posgres driver.

I've said this before (and been downvoted for it). Crystal is such a phenomenal language in that it brings a HEAVY spirit of Ruby (some Ruby stuff even runs unmodified) yet has wonderful type-safety. It's also compiled and relatively fast. It seems like such a win/win.

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