[Python-Dev] Allowing slicing of iterators

[Steven Bethard]

Nick Coghlan wrote:
> In the example below (printing the first 3 items of a sequence), the fact that
> sorted() produces a new iterable list, while reversed() produces an iterator
> over the original list *should* be an irrelevant implementation detail from the
> programmer's point of view.

You have to be aware on some level of whether or not you're using a
list when you use slice notation -- what would you do for iterators
when given a negative step index?  Presumably it would have to raise
an exception, where doing so with lists would not...

Steve
-- 
You can wordify anything if you just verb it.
        --- Bucky Katt, Get Fuzzy