I remembered, there is a "labeled break" in Perl. https://perldoc.perl.org/functions/last.html
On Sun, May 12, 2019 at 10:50 AM Chris Angelico <ros...@gmail.com> wrote: > On Sun, May 12, 2019 at 12:43 PM David Mertz <me...@gnosis.cx> wrote: > > > > Terry reminds me of a common case I encounter that cannot be transformed > into a loop over itertools.product(). E.g. > > > > for main in stuff: > > if thing_about(main): > > for detail in more_stuff(stuff, main): > > if seen_enough(detail): > > # break to outer somehow > > else: > > for detail in different_stuff(): > > if seen_enough(detail): > > # break to outer somehow > > > > For that kind of loop, there's a different problem, which is the > duplication. So I would start by rewriting that as: > > for main in stuff: > if thing_about(main): > details = more_stuff(stuff, main) > else: > details = different_stuff() > for detail in details: > if seen_enough(detail): > ... > > I'm not sure what you mean by "break to outer somehow", though, so I > don't know what you're actually needing here. Concrete examples would > help. > > ChrisA > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ >
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