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Thanks for this thoroughly practical advice -- evangelizing types inside Stripe must have been quite the journey! Been following since Dmytro and Paul's talk @

• jez 5y ago
  Interestingly enough, I don't recall there ever being much pushback against static types at Stripe. The "evangelizing" work was more organizational: convincing people that yes, it is possible to build a production-ready type checker in 6-9 months[1], and then staff a team long term to continue improving it. I was at Stripe during that time, but on a different team, so I can't speak too much to the process. Luckily I think Stripe is a well-functioning org with smart and reasonable leaders—much easier to present that case than e.g., trying to win debates on static vs dynamic typing on the internet! [1] https://sorbet.run/talks/StrangeLoop2018/#/28 https://sorbet.run/talks/StrangeLoop2018/#/28