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Mon Oct 20 17:43:59 EDT 2003 · https://mail.python.org/pipermail/python-dev/2003-October/039107.html

Let's see what the use cases look like under the various proposals:

  todo = [t for t in tasks.copysort() if due_today(t)]
  todo = [t for t in list.sorted(tasks) if due_today(t)]
  todo = [t for t in list(tasks, sorted=True) if due_today(t)]

  genhistory(date, events.copysort(key=incidenttime))
  genhistory(date, list.sorted(events, key=incidenttime))
  genhistory(date, list(events, sorted=True, key=incidenttime))

  for f in os.listdir().copysort(): . . .
  for f in list.sorted(os.listdir()): . . .
  for f in list(os.listdir(), sorted=True): . . .

To my eye, the first form reads much better in every case.
It still needs a better name though.

[Phillip J. Eby in a separate note]
> Wouldn't it need to grow key and cmpfunc, too?

Now, that "key" and "reverse" are available,
there is no need for "cmp" in any new methods.

[Guido in a separate note]
>  list(range(10), reverse=True)
>
>would yield
>
>  [9, 8, 7, 6, 5, 4, 3, 2, 1, 0]
>
> But Raymond has a different proposal in mind for that (he still needs
to > > update PEP 322 though).

I'll get to it soon; there won't be any surprises.

Raymond Hettinger

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Showing content from https://mail.python.org/pipermail/python-dev/2003-October/039107.html below:

copysort patch, was RE: [Python-Dev] inline sort option