On 07/15/2015 12:55 PM, Marko Rauhamaa wrote: > Ned Batchelder <n...@nedbatchelder.com>: > >> On Wednesday, July 15, 2015 at 2:44:55 AM UTC-4, Marko Rauhamaa wrote: >>> The other problem for tail call elimination is the requirement that >>> functions return None by default. Smooth tail call elimination would >>> require that Python leave the default return value unspecified. >> I don't understand this, can you explain more? Are you saying that the >> Python specification shouldn't specify what x becomes?: >> >> def who_knows(): >> pass >> >> x = who_knows() > Yes, that's what I'm saying. The implementation would be free to assign > any value whatsoever to x.
And can you explain why this would be needed foor smooth tail call elimination? -- Antoon Pardon. -- https://mail.python.org/mailman/listinfo/python-list
