Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder2.enfer-du-nord.net!tudelft.nl!txtfeed1.tudelft.nl!multikabel.net!newsfeed10.multikabel.net!xlned.com!feeder7.xlned.com!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.044 X-Spam-Evidence: '*H*': 0.91; '*S*': 0.00; 'order?': 0.09; 'tuple': 0.09; 'am,': 0.12; 'tuple,': 0.16; 'cc:addr:python-list': 0.16; 'wrote:': 0.18; 'insert': 0.19; 'cc:no real name:2**0': 0.21; 'header:In-Reply-To:1': 0.22; 'feb': 0.22; 'cc:2**0': 0.26; 'import': 0.27; 'putting': 0.28; 'order.': 0.28; 'message- id:@mail.gmail.com': 0.29; 'fine.': 0.29; 'cc:addr:python.org': 0.29; 'booth': 0.30; 'thu,': 0.32; 'sort': 0.33; 'it.': 0.33; 'too': 0.33; 'anything': 0.34; 'identical': 0.34; 'sets': 0.35; 'received:209.85.160': 0.36; 'two': 0.36; 'created': 0.37; 'but': 0.37; 'received:google.com': 0.37; 'received:209.85': 0.38; 'useful': 0.38; 'received:209.85.160.46': 0.39; 'received:mail- pw0-f46.google.com': 0.39; 'received:209': 0.39; 'put': 0.40; 'one,': 0.40; 'hope': 0.61; 'nathan': 0.84; 'items,': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=cTHi+czpm1nzCThjOkPldjNAc4iv1QU5XnAaXOZMPyc=; b=Yip288x2RueGPovXIX1WLBhOMuJD4CDjT8B/TerSAMN9H7CNTDESnUjJLNzxdZguvu 9hkEaSMRPbWPpPYRyXD1G262hwyXMzwRCFYJZ+0a8uWeEsMXDXWrsE18Mw2bBj965Vni v3eOIY2gVVr33l8T6pirKUJbEBNN03AX53nfE= MIME-Version: 1.0 In-Reply-To: References: <4F332007.9080800@wisc.edu> Date: Thu, 9 Feb 2012 09:36:12 -0500 Subject: Re: frozendict From: Nathan Rice To: duncan.booth@suttoncourtenay.org.uk Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: python-list@python.org X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1328798176 news.xs4all.nl 6953 [2001:888:2000:d::a6]:39521 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:20078 On Thu, Feb 9, 2012 at 5:33 AM, Duncan Booth wrote: > Nathan Rice wrote: > >> I put dicts in sets all the time. =A0I just tuple the items, but that >> means you have to re-dict it on the way out to do anything useful with >> it. =A0I am too lazy to write a frozendict or import one, but I would >> use it if it was a builtin. >> > I hope you sort the items before putting them in a tuple, otherwise how d= o > you handle two identical dicts that return their items in a different > order? Two dicts created from the same inputs will return items in the same arbitrary order. As long as you don't insert or delete a key you're fine. Nathan