On 2018年4月26日 20:35:20 +0900 "Stephen J. Turnbull" <[email protected]> wrote:
> Steven D'Aprano writes: > > On Wed, Apr 25, 2018 at 09:36:31PM -0500, Ryan Gonzalez wrote: > > > > Now, what's the common theme here? **Declarations should be separate > from > > > expressions.** > > > > Declarations and assignments are not the same thing. > > Ryan mostly meant "initialization" rather than "declaration", I > suspect. In C's for() statement, the first clause in parentheses is > initialization, the third is assignment. > > FWIW, I had been thinking the same thing (that what is really wanted > is initialization clauses in loop statements) but had no concrete > suggestions. Now I too have warmed to the binding expression approach > (partly because Guido has, so I'm preparing for the inevitable :^), > mostly because of Tim's "humorous observation" about use in printf > debugging. The fact that there is this use case independent of block > variable initialization (ie, in a loop or if statement) is quite > attractive to me. > > It's true, as I think Antoine pointed out, that it's easy enough to > define a wrapper function that prints a value and returns it. That wasn't me, but I agree with the idea anyway :-) Regards Antoine. _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com