[Python-Dev] make iter() return an empty iterator?
Andrew Bennetts
andrew-pythondev at puzzling.org
Fri Aug 3 11:10:20 CEST 2007
Georg Brandl wrote:
> Sure, you could use ``iter(())`` or ``iter([])``, but for consistency's sake
> wouldn't it make sense for ``iter()`` to return an empty iterator, as ``str()``
> returns an empty string etc.?
I had no idea that "str()" or "int()" would do that. "file()" certainly
doesn't! :)
I don't really think there's much reason to make "iter()" work. As you say,
"iter([])" works just fine. For those rare times you want an empty iterator, I
don't think the two extra characters is much of a price to pay.
-Andrew.
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