For-loops and mutation are not really encouraged, often loops are implemented with recursion as in normal fp. The big difference to me is that OCaml doesn't try

For-loops and mutation are not really encouraged, often loops are implemented with recursion as in normal fp. The big difference to me is that OCaml doesn't try to be pure, so you can perform side effects as needed, instead of forcing the user to jump through hurdles when trying to print to stdout