let rec h () = ... then h ()...

will define (and apply a function)

Iet rec value = .. value

is something totally different

În joi, 17 mar. 2016 la 17:33, Antoine Rimlet <antoine.rimlet@gmail.com> a
scris:

> Hi,
>
> I'm trying to write a recursive function that would work like a for loop:
>
> let rec forloop g v u =
>   let x = ref v in let rec h = begin g !x; x := !x + 1; if !x <= u then h
> end
>   in h;;
>
> I know this is horribly far from the functional spirit, but anyway ocaml
> complains that "This kind of expression is not allowed as right-hand side
> of `let rec'". It seems to me that this function definition has a meaning,
> so why is it rejected? What should I do to get it accepted by ocaml?
>
> Many thanks in advance,
>
> Antoine
>
>