[Python-Dev] Re: Allowing slicing of iterators (original) (raw)

Fredrik Lundh fredrik at pythonware.com
Wed Jan 26 18:44:32 CET 2005

Guido van Rossum wrote:

I'd like to see iterators become as easy to work with as lists are. At the moment, anything that returns an iterator forces you to use the relatively cumbersome itertools.islice mechanism, rather than Python's native slice syntax. Sorry. Still -1.

can we perhaps persuade you into changing that to a -0.1, so we can continue playing with the idea?

iterators are not sequences and shouldn't be confused with such.

the for-in statement disagrees with you, I think. on the other hand, I'm not sure I trust that statement any more; I'm really disappointed that it won't let me write my loops as:

for item in item for item in item for item in item for item in seq:
    ...

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