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

[Pavol Lisy]

2016-03-22 20:43 GMT+01:00, Michel Desmoulin <desmoulinmichel at gmail.com>:
> No you didn't store the lines, the whole points is that they are
> returning generators.
>
> In that context, f[begin, end] does itertools.takewhile and dropwhile
> and [:10000] is doing islice(0, 10000). None of those functions store
> anything.
>
> Please read the begining of thread.

It would be true if f is generator.

If f is list then we could probably want to have another operator to
avoid memory consumption

return list(f{begin,end}{:10000})
#return list(f{begin,end}[:10000]) # this could be same