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Re: Set Operations on Dicts

From Jussi Piitulainen <jussi.piitulainen@helsinki.fi>
Newsgroups comp.lang.python
Subject Re: Set Operations on Dicts
Date 2016-02-08 16:02 +0200
Organization A noiseless patient Spider
Message-ID <lf5bn7r1erb.fsf@ling.helsinki.fi> (permalink)
References <mailman.86.1454925476.2317.python-list@python.org> <lf5fux3xuov.fsf@ling.helsinki.fi> <mailman.96.1454938384.2317.python-list@python.org>

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Matt Wheeler writes:

> On 8 February 2016 at 12:17, Jussi Piitulainen wrote:
>> Also, what would be the nicest current way to express a priority union
>> of dicts?
>>
>> { k:(d if k in d else e)[k] for k in d.keys() | e.keys() }
>
> Since Python 3.5: {**e, **d}

Thanks. I have considered this news briefly and I think I'll like it :)

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Thread

Set Operations on Dicts Marco Kaulea <marco.kaulea@gmail.com> - 2016-02-08 10:56 +0100
  Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 14:17 +0200
    Re: Set Operations on Dicts Marco Kaulea <marco.kaulea@gmail.com> - 2016-02-08 13:33 +0100
    Re: Set Operations on Dicts Matt Wheeler <m@funkyhat.org> - 2016-02-08 13:32 +0000
      Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 16:02 +0200
    Re: Set Operations on Dicts Random832 <random832@fastmail.com> - 2016-02-08 09:52 -0500
      Re: Set Operations on Dicts Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-02-08 17:05 +0200
  Re: Set Operations on Dicts Grobu <snailcoder@retrosite.invalid> - 2016-02-08 13:47 +0100
    Re: Set Operations on Dicts Ian Kelly <ian.g.kelly@gmail.com> - 2016-02-08 09:12 -0700
      Re: Set Operations on Dicts Grobu <snailcoder@retrosite.invalid> - 2016-02-09 08:21 +0100
        Re: Set Operations on Dicts Ian Kelly <ian.g.kelly@gmail.com> - 2016-02-09 08:14 -0700

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