[Python-ideas] Integrate some itertools into the Python syntax

[Michel Desmoulin]

Le 23/03/2016 22:26, João Bernardo a écrit :
> 
> On Mon, Mar 21, 2016 at 8:06 PM, Michel Desmoulin
> <desmoulinmichel at gmail.com <mailto:desmoulinmichel at gmail.com>> wrote:
> 
>     Itertools is great, and some functions in it are more used than others:
> 
>     - islice;
>     - chain;
>     - dropwhile, takewhile;
> 
> 
> I like how dropwhile and takewhile could be easily integrated with list
> comprehensions / generator expressions:
> 
> [x for x in range(10) while x < 5]      # takewhile
> [x for x in range(10) not while x < 5]  # dropwhile 
> [x for x in range(10) from x >= 5]      # forward thinking dropwhile
> 
> I believe this is almost plain english without creating new keywords.
> 
> Regards
>  


Nice. But if you need to combine both it's a long one liner. It could be
combined with enumerate for islicing, but it would then end up huge.