ReasonML is not a modern syntax for OCaml, it's just JavaScript-like syntax. Nothing modern about it. Notably, latest OCaml versions have more modern syntax - s

ReasonML is not a modern syntax for OCaml, it's just JavaScript-like syntax. Nothing modern about it. Notably, latest OCaml versions have more modern syntax - some additional sugar, shorter monadic binding syntaxes, upcoming special syntax for effects, and many other small things that compound in overall better experience.