(furthermore, changing Interval>>hash to match that of Array in cases 
like (1 to: SmallInteger minVal) is bound to cause unacceptable 
performance penalties)

Andres Valloud wrote:
> I'd rather make the interval not equal to the array, at least with the 
> message #=.  Probably that can't be done safely.  If that's the case, 
> I'd say the best approach is to leave it "broken" but documented in 
> terms of "some collections may compare 'reasonably', however, since 
> equality in those cases is not well defined, then the rule a = b => a 
> hash = b hash may be waived".  For example, sure, #(1 2 3) = (1 to: 3), 
> however you can't do (1 to: 3) at: 2 put: 5.  And 1.0 may be equal to 1, 
> but the numbers represent completely different things so even though the 
> numeric value is the same, equality is ill defined, and so it's not 
> necessary for the hashing rule to apply.
>
> Nicolas Cellier wrote:
>   
>> http://bugs.squeak.org/view.php?id=3380
>> http://bugs.squeak.org/view.php?id=3488
>>
>> 2009/10/24 Andrew P. Black <[email protected]>:
>>   
>>     
>>> The golden rule of hashing is (a = b) => (a hash = b hash).  Right?
>>>
>>> Look at this:
>>>
>>> (1 to: 10) species  --->  Array
>>> #(1 2 3 4 5 6 7 8 9 10) species  --->  Array
>>>
>>> (1 to: 10) =  #(1 2 3 4 5 6 7 8 9 10)   --->  true
>>>
>>> However,
>>>
>>> (1 to: 10) hash = #(1 2 3 4 5 6 7 8 9 10) hash  --->  false.
>>>
>>> I believe that the last is a bug.
>>>
>>>        Andrew
>>>
>>>
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>>>
>>>     
>>>       
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>
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