Re: [Caml-list] Lwt and exceptions

[Mehdi Dogguy <mehdi@dogguy.org>]

On 15/09/2011 14:09, Jérémie Dimino wrote:
> Le jeudi 15 septembre 2011 à 12:04 +0200, Mehdi Dogguy a écrit : 
>> I guess, not (and it has been answered already). In fact, I was wondering
>> if Lwt's authors would be against adding a function like:
>>
>> 	let wrap f x = try Lwt.return (f x) with e -> Lwt.fail e
>>
>> It is stupid, trivial, etc… but looks what we need most of the time, no?
> 
> Yes, it seems useful. But should it be:
> 
>   val wrap : ('a -> 'b) -> 'a -> 'b t
> 
> or:
> 
>   val wrap : (unit -> 'a) -> 'a t
> 
> ?
> 
> I would tend for the second solution because if you are wrapping a
> function that takes multiple arguments you are going to write:
> 
>   wrap (fun () -> f x y z) ()
> 
> anyway. Plus maybe wrap1, wrap2, ..., wrapn for a reasonable value of n.
> 

Sure. Thanks for considering. Any of the above proposals would be fine for
me :)

-- 
Mehdi Dogguy مهدي الدڤي
http://dogguy.org/