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. Marko -- https://mail.python.org/mailman/listinfo/python-list
