On Mon, Feb 26, 2018 at 4:30 PM, Rob Cliffe via Python-Dev < python-dev@python.org> wrote:
> On 26/02/2018 19:08, Guido van Rossum wrote: > > I would like to remind all wannabe language designers that grammar design > is not just solving puzzles. It's also about keeping the overall feel of > the language readable. I'm getting the idea that none of the proposals > discussed so far (whether new syntax or clever use of existing syntax) > satisfy that constraint. Sometimes a for-loop is just better. > > I don't know if you intended these remarks to include my proposal (to > allow "for VAR = EXPR"), as your message was posted only 27 minutes after > mine. > With respect, I honestly feel that this is a relatively small change that > makes the language *more* readable. > > Feel free, one and all, to tell me why I'm wrong. > Best wishes, > Rob Cliffe > I didn't want to single you out, but yes, I did include your proposal. The reason is that for people who are not Python experts there's no obvious reason why `for VAR = EXPR` should mean one thing and `for VAR in EXPR` should mean another. -- --Guido van Rossum (python.org/~guido)
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