Immutable list reverse function

[M.-A. Lemburg]

"Martin Sjögren" wrote:
> 
> Is there a "good" way to write a fast reverse function for immutable
> lists?
> 
> I tried this:
> 
> def reverse(list):
>     l = len(list)
>     return [ list[l-i-1] for i in range(l) ]
> 
> It works, but it's obviously not backwards compatible.
> Any suggestions?
> 
> What I want to do is basically this:
> 
> >>> foo(reverse(create_a_list()))
> 
> Instead of having to:
> 
> >>> list = create_a_list()
> >>> list.reverse()
> >>> foo(list)
> 
> Hints appreciated

Take a look at mxTools which you can download from the Python link
below (it's part of the eGenix mx BASE package).

-- 
Marc-Andre Lemburg
CEO eGenix.com Software GmbH
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