'with' bug?

[Faux Amis]

On 03/11/2012 21:29, bearophile wrote:
> Faux Amis:
>
>> Care to elaborate on that?
>
> They share most of the problems of global variables. While not evil,
> it's better to avoid module-level mutables. This makes the code more
> testable, simpler to understand, less bug prone, and makes functions
> more usable for other purposes. In D there the attribute "pure" is
> present also to enforce such better coding style.
>
> Bye,
> bearophile

 From a good-coding standpoint, do you think there is a difference 
between these two options?

--
module a;

int a;
--
module b;

struct S{//otherwise unused wrapper
static int b;
}
--