On 06/11/2009 05:31 PM, Waldek Hebisch wrote:
> Ralf Hemmecke wrote:
>> However, as Waldek already said. The above definition for = is dangerous.
>>
>> I would rather like to have something like
>>
>> x = y ==
>> dx := dom x
>> dy := dom y
>> dx ~= dy => false
>> Dx := EVAL(dx)$Lisp
>> if Dx has BasicType
>> then (obj x) pretend Dx = (obj y) pretend Dx
>> else false
>>
>
> Actually, this version will silently produce wrong resuls.
Does that mean that even with the fix r624 that code above with
if Dx has BasicType
would not work as expected?
Ralf
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