I'm actually not in favor of this. It's another way to do the same thing. Sorry to rain on your dream!
On Wed, Sep 6, 2017 at 9:34 AM, R. David Murray <rdmur...@bitdance.com> wrote: > On Wed, 06 Sep 2017 15:05:51 +1000, Chris Angelico <ros...@gmail.com> > wrote: > > On Wed, Sep 6, 2017 at 10:11 AM, R. David Murray <rdmur...@bitdance.com> > wrote: > > > I've written a PEP proposing a small enhancement to the Python loop > > > control statements. Short version: here's what feels to me like a > > > Pythonic way to spell "repeat until": > > > > > > while: > > > <do stuff> > > > break if <done condition> > > > > > > The PEP goes into some detail on why this feels like a readability > > > improvement in the more general case, with examples taken from > > > the standard library: > > > > > > https://www.python.org/dev/peps/pep-0548/ > > > > Is "break if" legal in loops that have their own conditions as well, > > or only in a bare "while:" loop? For instance, is this valid? > > > > while not found_the_thing_we_want: > > data = sock.read() > > break if not data > > process(data) > > Yes. > > > Or this, which uses the condition purely as a descriptor: > > > > while "moar socket data": > > data = sock.read() > > break if not data > > process(data) > > Yes. > > > Also - shouldn't this be being discussed first on python-ideas? > > Yep, you are absolutely right. Someone has told me I also missed > a related discussion on python-ideas in my searching for prior > discussions. (I haven't looked for it yet...) > > I'll blame jet lag :) > > --David > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: https://mail.python.org/mailman/options/python-dev/ > guido%40python.org > -- --Guido van Rossum (python.org/~guido)
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