Re: [Ocaml-lib-devel] Re: ExtList / Enum updates

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

> > Enum - added :
> >     val filter_map : ('a -> 'b option) -> 'a t -> 'b t
> >     val clone : 'a t -> 'a t
> 
> Is there a reason why Enum.filter is not implemented using Enum.from?
> 
> As in:
> 
> let filter f t =
>     let rec next () =
>         let x = t.next() in
>         if f x then x else next()
>     in
>     from next

Historical reasons. filter was defined before from.
I will update the sources, thanks for the report.

Nicolas Cannasse