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[Python-Dev] PyObject_RichCompareBool identity shortcut

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Guido van Rossum wrote:
> Currently NaN is not violating
> any language rules -- it is just violating users' intuition, in a much
> worse way than Inf does.

If it's to be an official language non-rule (by which I mean
that types are officially allowed to compare non-reflexively)
then any code assuming that identity implies equality for
arbitrary objects is broken and should be fixed.

-- 
Greg

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