There's a crucial distinction! OCaml's compilation command takes in a `-pp` flag (preprocessor), which accepts a command that takes in a file and outputs an OCaml AST tree. We're basically using that. In that sense, the official OCaml syntax is really just that: another syntax like Reason, but official, and goes back two decades.

Because of the clean mapping from one syntax to another, you can toggle between the two fairly easily: https://github.com/facebook/reason/wiki/Newcomer-Tips-&-Tric...