On Sat, Aug 1, 2020 at 1:43 PM Steven D'Aprano <st...@pearwood.info> wrote: > Some years ago, someone (I think it was Nick Coghlan?) proposed a > standard solution for this issue, a context manager + decorator function > that guarded against a specific exception. Nothing much came of it, but > I did experiment with the idea, and got something which you could use > like this: > > with exception_guard(StopIteration): > first = next(iter(mydict.items()))
My understanding of this is that 'first' is unassigned if StopIteration happens. > or like this: > > safenext = exception_guard(StopIteration)(next) > first = safenext(iter(mydict.items())) > My understanding of this is that I am confused. What does safenext return? ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/U2ELA7SS6MBDCJ6ZQSN5O324RPNSZTDK/ Code of Conduct: http://python.org/psf/codeofconduct/
