[Python-ideas] PEP 315: do-while

[Guido van Rossum]

Please reject the PEP. More variations along these lines won't make the
language more elegant or easier to learn. They'd just save a few hasty
folks some typing while making others who have to read/maintain their code
wonder what it means.

--Guido

On Wed, Jun 26, 2013 at 1:47 AM, Łukasz Langa <lukasz at langa.pl> wrote:

> The PEP is deferred because it seems that
>
>   while True:
>     <code>
>     if condition:
>       break
>
> is good enough. I agree. We should reject the PEP and summarise
> the status. Alternatively, the only way I think we can improve on
> the syntax above is something like this:
>
>   do:
>     <code>
>     if condition:
>       break
>
> or without a new keyword:
>
>   while:
>     <code>
>     if condition:
>       break
>
> The empty-predicate variant would let Python check whether there's
> actually a break in the body of the loop.
>
> --
> Best regards,
> Łukasz Langa
>
> WWW: http://lukasz.langa.pl/
> Twitter: @llanga
> IRC: ambv on #python-dev
>
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>



-- 
--Guido van Rossum (python.org/~guido)
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