[issue16457] Allow operator 'getter' methods to take a list and return a tuple

[Nick Coghlan]

Nick Coghlan added the comment:

Lists can't be dictionary keys, but they can appear in other mappings (e.g. an id-keyed mapping). So, while you could add this capability to attrgetter without breaking backwards compatibility, it's not possible for itemgetter.

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nosy: +ncoghlan

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue16457>
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