[Python-ideas] Identity dicts and sets (original) (raw)
Haoyi Li haoyi.sg at gmail.com
Wed Jan 2 21:45:17 CET 2013
- Previous message: [Python-ideas] Identity dicts and sets
- Next message: [Python-ideas] Identity dicts and sets
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Something curried?
custom_dict(cfg=...)(key1=..., key2=...)
On Thu, Jan 3, 2013 at 4:37 AM, Mike Meyer <mwm at mired.org> wrote:
On Wed, Jan 2, 2013 at 2:34 PM, Serhiy Storchaka <storchaka at gmail.com> wrote: > середа 02 січень 2013 21:43:47 Eli Bendersky ви написали: >> I agree that the data structures may be useful, but is there no way to some >> allow the customization of existing data structures instead, without losing >> performance? It's a shame to have another kind of dict just for this >> purpose. >> What interface for the customization is possible? Obviously, a dict > constructor can't have a special keyword argument.
How about a setkey method? It takes a single callable as an argument. You'd get your behavior with dict.setkey(id). If called when the dict is non-empty, it should throw an exception. <mike
Python-ideas mailing list Python-ideas at python.org http://mail.python.org/mailman/listinfo/python-ideas -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-ideas/attachments/20130103/35cec654/attachment.html>
- Previous message: [Python-ideas] Identity dicts and sets
- Next message: [Python-ideas] Identity dicts and sets
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]