Hakana: Taking Hack Seriously

TL; DR: We’re announcing a new open source type checker for Hack, called Hakana. Slack launched in 2014, built with a lot of love and also a lot of PHP code. We started migrating to a different language called Hack in 2016. Hack was created by Facebook after they had struggled to scale their operations […] The post Hakana: Taking Hack Seriously appeared first on Slack Engineering....

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