Re: [Emacs-diffs] emacs-25 a9c48d5: Additional fixes for file notification

[Dmitry Gutov]

On 02/24/2016 06:09 AM, Stefan Monnier wrote:
> > As for concise...  sure, in characters.  But not in meaning.  If I'm
> > reading code, I'm reading "if that is bigger than... zero!" instead of
>
> Just write it (> 0 x) so you don't have to "..." until the punchline.

I think you've just demonstrated that it's easy to make a mistake in the 
order of >'s arguments.

> > immediately getting that it's a check for positivity.
>
> As mentioned, I never remember which kind of "positivity" is used where,
> whereas (> 0 x) and (>= 0 x) are 100% unambiguous.

Never been a problem for me. "more or equal to zero" is natnump (which 
is already a built-in, though I've never had an occasion to use it 
personally). The divide between positive and natural numbers seems 
pretty clear-cut.