They had Core. Base is their new attempt at sort of a "standard" lib. Not all OCaml-ers use JS libs though. There are some Batteries users out there. When I do

They had Core. Base is their new attempt at sort of a "standard" lib. Not all OCaml-ers use JS libs though. There are some Batteries users out there. When I do Advent of Code, I almost always try to do it with OCaml's built in standard lib.