Bug? 0 is less than -10

[Laeeth Isharc via Digitalmars-d-learn]

On Wednesday, 7 October 2015 at 07:38:44 UTC, Andrea Fontana 
wrote:
> On Wednesday, 7 October 2015 at 05:27:12 UTC, Laeeth Isharc 
> wrote:
>> On Wednesday, 7 October 2015 at 02:53:32 UTC, Steven 
>> Schveighoffer wrote:
>>> On 10/6/15 7:21 PM, Laeeth Isharc wrote:
>>>> could we have ssize_t defined in phobos somewhere so your 
>>>> code ends up
>>>> being portable ;) (It's trivial to do, obviously).
>>>
>>> ptrdiff_t
>>>
>>> -Steve
>>
>> It seems unnatural to use such a name when the variable has 
>> nothing to do with pointers - it doesn't contribute to the 
>> readability.  Yes, it's trivial, but small things cumulatively 
>> matter.  Adam tends to use int and when that gets mixed up 
>> with an auto size_t (eg via length) then his code doesn't 
>> compile on 64 bit.  And if it happens with his code, you can 
>> imagine this isn't a problem that inexperienced users never 
>> encounter.
>
> IMO it seems unnatural to use size_t with a signed/negative 
> value too.
Indeed.  But you end up with an inferred size_t in a foreach and 
using length with auto, so it makes sense to have something nicer 
that you can specify that won't make your code look strange.  
Doesn't bother me since I define ssize_t, but it might make D 
easier to read for others.  When you see ptrdiff_t with no 
pointer in sight it's not very clear unless you are familiar with 
C idioms (and I never remember seeing this back when I learnt C - 
some modern thing).