Jim Garrison <j...@acm.org> wrote:
>It's a shame the iter(o,sentinel) builtin does the
>comparison itself, instead of being defined as iter(callable,callable)
>where the second argument implements the termination test and returns a
>boolean. This would seem to add much more generality... is
>it worthy of a PEP?
class sentinel:
def __eq__(self, other):
return termination_test()
for x in iter(callable, sentinel()):
...
Writing a sensible sentinel.__init__ is left as an exercise....
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under construction
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