is None or == None ?

Hrvoje Niksic hniksic at xemacs.org
Sat Nov 7 20:25:42 EST 2009


"Alf P. Steinbach" <alfps at start.no> writes:

> Speedup would likely be more realistic with normal implementation (not
> fiddling with bit-fields and stuff)

I'm not sure I understand this.  How would you implement tagged integers
without encoding type information in bits of the pointer value?



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