Re: [Ocaml-lib-devel] Re: some proposals

[Nicolas C. <war...@fr...>]

 > I considered implementing this as an enum.  But here's the problem: count
> requires you to know in advance how many elements you have.  The only way
> I can see doing this would be to create a list of pre-converted elements
> that didn't return None.  A stream might be a better choice.

Please remember I just added Enum.from !

--- Enum module -----

let filter_map f e =
    let rec next () =
        match f e.next with
        | None -> next()
        | Some x -> x
    in
    from next

-------------------

Nicolas Cannasse