How do you implement "async for"? On Sun, Apr 26, 2015 at 11:21 PM, Mark Shannon <m...@hotpy.org> wrote:
> Hi, > > I was looking at PEP 492 and it seems to me that no new syntax is required. > > Looking at the code, it does four things; all of which, or a functional > equivalent, could be done with no new syntax. > 1. Make a normal function into a generator or coroutine. This can be done > with a decorator. > 2. Support a parallel set of special methods starting with 'a' or 'async'. > Why not just use the current set of special methods? > 3. "await". "await" is an operator that takes one argument and produces a > single result, without altering flow control and can thus be replaced by an > function. > 4. Asynchronous with statement. The PEP lists the equivalent as "with > (yield from xxx)" which doesn't seem so bad. > > Please don't add unnecessary new syntax. > > Cheers, > Mark. > > P.S. I'm not objecting to any of the other new features proposed, just the > new syntax. > _______________________________________________ > 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/yoavglazner%40gmail.com >
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