[Python-ideas] if-statement in for-loop

[Dominik Gresch]

Ok, I guess it's time to end this thread. Thank you all for your answers 
and the constructive discussion.

Best,
Dominik

On 12.09.2016 08:25, Nick Coghlan wrote:
> On 11 September 2016 at 19:36, Dominik Gresch <greschd at gmx.ch> wrote:
>> Hi,
>>
>> I've recently found myself writing code similar to this:
>>
>> for i in range(10):
>>      if i == 5:
>>          continue
>>      "body"
>>
>> which I find a bit ugly. Obviously the same could be written as
>>
>> for i in range(10):
>>      if i != 5:
>>          "body"
>>
>> but here you would have to look at the end of the body to see if something
>> happens when i==5.
>> So I asked myself if a syntax as follows would be possible:
>>
>> for i in range(10) if i != 5:
>>      body
>>
>> Personally, I find this extremely intuitive since this kind of if-statement
>> is already present in list comprehensions.
>>
>> What is your opinion on this? Sorry if this has been discussed before -- I
>> didn't find anything in the archives.
> Generally speaking, we only add new syntax in cases where we're
> prepared to say "In all cases where the new syntax applies, it should
> be used in preference to existing alternative spellings".
>
> Special casing a single "if-continue" in a loop body doesn't meet that
> (deliberately high) bar, with Paul Moore's email going into some more
> detail on the specifics of that.
>
> Cheers,
> Nick.
>