[Ocaml-lib-devel] Re: Option.incr?

[Jesse G. <je...@wi...>]

Richard Jones wrote:

> On Tue, Aug 10, 2004 at 11:22:05AM -0400, Jesse Guardiani wrote:
>> let incr = function
>>         | None -> raise No_value
>>         | Some v -> Some (v+1)
>> 
>> Useful?
> 
> You can implement it fairly trivially using 'Option.get' and/or
> 'Option.map' ...

Sure. But this:
    Some ((Option.get var) + 1)

Is a lot harder to write than this:
    Option.incr var

-- 
Jesse Guardiani, Systems Administrator
WingNET Internet Services,
P.O. Box 2605 // Cleveland, TN 37320-2605
423-559-LINK (v)  423-559-5145 (f)
http://www.wingnet.net