% is not an operator [was Re: Verbose and flexible args and kwargs syntax]

[Steven D'Aprano]

On Wed, 14 Dec 2011 02:09:32 -0800, Eelco wrote:

> Arguably, the most elegant thing to do is to define integer division and
> remainder as a single operation; which is not only the logical thing to
> do mathematically, but might work really well programmatically too.
> 
> The semantics of python dont really allow for this though. One could
> have:
> 
> d, r = a // b

That would be:

>>> divmod(17, 5)
(3, 2)



> But it wouldnt work that well in composite expressions; selecting the
> right tuple index would be messy and a more verbose form would be
> preferred. However, performance-wise its also clearly the best solution,
> as one often needs both output arguments and computing them
> simultaniously is most efficient.

Premature optimization.



-- 
Steven