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From: MRAB <python@mrabarnett.plus.com>
Date: Wed, 9 Sep 2015 00:20:27 +0100
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On 2015-09-08 23:41, Mark Lawrence wrote:
> On 08/09/2015 18:41, MRAB wrote:
>> On 2015-09-08 15:31, Ian Kelly wrote:
>>> On Tue, Sep 8, 2015 at 5:55 AM, Vladimir Ignatov <kmisoft@gmail.com>
>>> wrote:
>>>>>> I had some experience programming in Lua and I'd say - that language
>>>>>> is bad example to follow.
>>>>>> Indexes start with 1  (I am not kidding)
>>>>>
>>>>> What is so bad about that?
>>>>
>>>> It's different from the rest 99.9% of languages for no particular
>>>> reason.
>>>
>>> It's not "different from the rest 99.9% of languages". There are many
>>> languages that use 1-based indexing, e.g. Matlab, Pascal, Fortran.
>>>
>> In Pascal you specify both the lower and the upper bounds.
>>
>
> I vaguely recall that in CORAL66/250 you specified both bounds and the
> lower bound could be negative.  Do other languages allow this or does
> the lower bound always have to be positive?
>
If you're allowed to specify both bounds, why would you be forbidden
from negative ones?

A better question would be whether there's a language that allows you
to specify a lower bound, but insists that it's non-negative.