labeled break/continue

Matt Chisholm matt-python at theory.org
Mon Jun 18 06:35:52 CEST 2007


Hi.  I was wondering if there had ever been an official decision on
the idea of adding labeled break and continue functionality to Python.

I've found a few places where the idea has come up, in the context of
named code blocks:

http://groups.google.com/group/comp.lang.python/browse_thread/thread/a696624c92b91181/065b1dbc13ec2807?lnk=gst&q=labeled+break&rnum=1#065b1dbc13ec2807

and in the context of discussing do/while loops and assignments in
conditionals:

http://groups.google.com/group/comp.lang.python/browse_thread/thread/6da848f762c9cf58/979ca3cd42633b52?lnk=gst&q=labeled+break&rnum=3#979ca3cd42633b52

Both of those discussions just kind of petered out or changed
direction without any conclusion.

There's also this Python 2.6 which has a similar syntax (although
different semantics) to one of the syntaxes proposed in the first
discussion above:

http://sourceforge.net/tracker/index.php?func=detail&aid=1714448&group_id=5470&atid=355470

I would be willing to help make a case and then write a PEP for
labeled break and continue, as long as the community or the BDFL
hasn't already decided against it. 

-matt

P.S. My apologies about cross posting; python-ideas seems like a
better place to post this, but PEP 1 says to post to python-list.





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