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Re: Is this PEP-able? fwhile

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  Re: Is this PEP-able? fwhile Ian Kelly <ian.g.kelly@gmail.com> - 2013-06-24 16:43 -0600

#49098 — Re: Is this PEP-able? fwhile

On Mon, Jun 24, 2013 at 4:41 PM, Fábio Santos <fabiosantosart@gmail.com> wrote:
>
> On 24 Jun 2013 22:29, "Ian Kelly" <ian.g.kelly@gmail.com> wrote:
>>
>> On Mon, Jun 24, 2013 at 2:34 PM, Fábio Santos <fabiosantosart@gmail.com>
>> wrote:
>> > This can probably be best achieved by adding to the existing for loop,
>> > so maybe taking advantage of the existing for...if syntax and adding
>> > for...while would be a better idea?
>>
>> The for...if syntax only exists for comprehensions and generators.  If
>> we're going to add for...while for loops, then we might as well go
>> ahead and add for...if loops there as well.
>>
>> That said, I do like this syntax better than "fwhile".
>
> Good point. Still, I don't see why for..if doesn't exist in for loops
> anyway. It may be lack of foresight, but I don't understand why at all.

Because it adds more syntax to learn when learning the language, it
introduces more maintenance overhead, and it offers no clear benefit
over simply nesting an if inside a for.

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