On Tuesday, 25 April 2017 01:32:30 UTC+2, Aaron Meurer wrote:
> But way that Symbol('x') != Symbol('x', real=True) works is that Symbol
> defines _hashable_content which includes the assumptions dictionary. As
> long as you include the attributes in the _hashable_content, I believe it
> should work, at least for args == () objects (if there nonempty args it may
> be more complicated).
>
I don't think this is an issue, as adding the attributes would be
associated to all instances of an object that have the same args. So an
update to *_hashable_content* would not be necessary.
> On Thu, Apr 20, 2017 at 4:37 PM, Francesco Bonazzi <[email protected]
> <javascript:>> wrote:
>
>>
>>
>> On Thursday, 20 April 2017 21:00:47 UTC+2, Aaron Meurer wrote:
>>>
>>> Why do they need to be set in a global dictionary?
>>>
>>> You can already set whatever attributes you want on an atomic object.
>>> So long as __eq__ checks against them it should work. I usually
>>> recommend storing things in args if you can, as it makes things a lot
>>> simpler, but it isn't required, at least for args == () objects.
>>>
>>
>>
>> This argument arose as we need to put the same argument in different
>> objects. For example, the introduction of an offset for indexed objects
>> should affect both IndexedBase and Array, but should we add a new argument
>> in __new__ to all of them? I believe that only defining arguments should be
>> put in the arguments, while we need some extra space to put non-defining
>> information associated to objects (for example, the way you want the
>> printer to behave on them, you might also want to change it after the
>> objects have been defined).
>>
>> Don't the new-style assumptions have a global dictionary as a support?
>>
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