Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From: Matt Wheeler <m@funkyhat.org>
Newsgroups: comp.lang.python
Subject: Re: Set Operations on Dicts
Date: Mon, 8 Feb 2016 13:32:36 +0000
Lines: 13
Message-ID: <mailman.96.1454938384.2317.python-list@python.org>
References: <mailman.86.1454925476.2317.python-list@python.org> <lf5fux3xuov.fsf@ling.helsinki.fi>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
X-Trace: news.uni-berlin.de 15A7Ya5yZYS7DqfTON2PoQg7QblckeOyXwYbEOm0lm6Q==
Return-Path: <m@funkyhat.org>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.090
X-Spam-Evidence: '*H*': 0.84; '*S*': 0.02; 'python': 0.10; '12:17,': 0.16; '2016': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'wrote:': 0.16; 'header:In-Reply-To:1': 0.24; 'message- id:@mail.gmail.com': 0.27; 'received:google.com': 0.35; 'received:74.125.82': 0.35; 'express': 0.35; 'to:addr:python- list': 0.36; 'subject:: ': 0.37; 'to:addr:python.org': 0.40; 'union': 0.67; 'from:addr:m': 0.84; 'subject:Set': 0.91
X-Virus-Scanned: Debian amavisd-new at membrane.funkyhat.net
X-Gm-Message-State: AG10YORJVDPsOF5h7K/f/bCcFtmM0M5tfOfQZrbPrw3ieFljo9Uyd3mSLSyJChHzhdOHXe9Eg1RbFG8wd6Ekhw==
X-Received: by 10.194.71.46 with SMTP id r14mr10655337wju.99.1454938375396; Mon, 08 Feb 2016 05:32:55 -0800 (PST)
In-Reply-To: <lf5fux3xuov.fsf@ling.helsinki.fi>
X-Gmail-Original-Message-ID: <CAG93HwH72zLDm-fnnzAuKUSqTqPF3YesX_m5pE8YHQUqbAe+xA@mail.gmail.com>
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.21rc2
Precedence: list
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive: <http://mail.python.org/pipermail/python-list/>
List-Post: <mailto:python-list@python.org>
List-Help: <mailto:python-list-request@python.org?subject=help>
List-Subscribe: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Xref: csiph.com comp.lang.python:102669

On 8 February 2016 at 12:17, Jussi Piitulainen
<jussi.piitulainen@helsinki.fi> 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}


-- 
Matt Wheeler
http://funkyh.at