[Python-ideas] Aid reiteration with new class: gfic

[yoav glazner]

 On Fri, Jun 19, 2009 at 6:11 AM, Steven D'Aprano <steve at pearwood.info>wrote:

>  On Fri, 19 Jun 2009 07:02:12 am Terry Reedy wrote:
>
> As I see it, the correct solution for "my function needs to iterate over
> an iterable twice" is not to expect the caller to pass a sequence, but
> to convert the iterable to a sequence inside your function:
>
> def function(iterable):
>    # Iterate over iterable twice
>    L = list(iterable)
>    for _ in (1, 2):
>        for x in L:
>            pass
>

As I see it the correct solution is
 def function(iterable):
   # Iterate over iterable twice
   L = iterable.clone() #can be done?

    for x in L:
        pass
    for x in iterable :
        pass

this way i avoid endless iterators...
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