Why did Facebook pick OCaml?
Facebook developed Flow, Hack, Infer, Pfff, and Reason using OCaml. And 50 % of the web version of Facebook Messenger has converted to Reason which lets you write simple, fast and quality type safe code while leveraging both the JavaScript & OCaml.
Due to the functional behaviour of OCaml, it helps to quickly adapt changing market conditions and go from prototypes to production systems with less effort.
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