String Identity Test

[Bruno Desthuilliers]

Hendrik van Rooyen a écrit :
> "S Arrowsmith" <si...intbox.UUCP> wrote:
> 
>> "Small" integers get a similar treatment:
>>
>>>>> a = 256
>>>>> b = 256
>>>>> a is b
>> True
>>>>> a = 257
>>>>> b = 257
>>>>> a is b
>> False
> 
> This is weird - I would have thought that the limit
> of "small" would be at 255 - the biggest number to 
> fit in a byte.  256 takes two bytes, so it must be
> an arbitrary limit

It is, and has changed from version to version.