Is "raise StopIteration" an abuse of exceptions? Why can we not
use "return StopIteration" to signal the end of an iterator?
I've done a bit of hacking and the idea seems to work.
On possible problem is that the StopIteration object in the
builtin module could cause some confusing behavior. For example
the code:
for obj in __builtin__.__dict__.values():
print obj
would not work as expected. This could be fixed in most causes
by changing the tp_iternext protocol. Something like:
int tp_iternext(PyObject *it, PyObject **item)
were the return value is 1, 0, or -1. IOW, StopIteration would not
have to come into the protocol if the object implemented
tp_iternext.
Neil
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