220 23850 article Path: news.gmane.org!not-for-mail From: Nicol Bolas Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: RFC: Unpacking tuples to value sequences Date: Tue, 19 Jan 2016 08:14:54 -0800 (PST) Lines: 82 Approved: news@gmane.org Message-ID: References: <4ac1f63a-0ee6-42fd-8a09-f3cd2c2a1bd9@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_825_1916680416.1453220094576" X-Trace: ger.gmane.org 1453220098 8971 80.91.229.3 (19 Jan 2016 16:14:58 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 19 Jan 2016 16:14:58 +0000 (UTC) Cc: mwoehlke.floss@gmail.com To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCEKFTV6ZUMBB76B7G2AKGQEUZZZZHY@isocpp.org Tue Jan 19 17:14:57 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-qk0-f197.google.com ([209.85.220.197]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aLYvo-0003eV-UG for gclcip-std-proposals@m.gmane.org; Tue, 19 Jan 2016 17:14:57 +0100 Original-Received: by mail-qk0-f197.google.com with SMTP id i123sf125760803qkd.2 for ; Tue, 19 Jan 2016 08:14:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:content-type:x-original-sender:reply-to:precedence :mailing-list:list-id:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=TS11QQGmtCWifC5RJR4JLKgyHvKy59PWGc/JwrNwrdc=; b=wu19yONm9hQHtHK3fxIDXAK/DTN/8nFxG1lNL43bxvTftuuTEQZ40RyCVL9kWTCSbS DnGo/ji2D8U5fsHnpUDjGNMAhOqr77sVunIXjG/w25xEi5HukbwMcq30F+EgZeu2sQkA 83SYl15RfXe9J1L46pWKT18dWUVr2mDoX3sHHmB/wrgCSrYRVn4EhpGQXWVUeplCV6AZ AQ+nLDJ65z+kIT/CmskVjxVMjtHYHk2fpEKYR5bTJPZX/Dd10cihoVJCrQE+DR/E1S3f 5v3qbcp2gZv+ohZBQiPLaSWFdSyW88TaLLLr1IoRl7fOtWXecDZzzQadqvAtGQcbDNOn atvw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version:content-type:x-original-sender:reply-to:precedence :mailing-list:list-id:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=TS11QQGmtCWifC5RJR4JLKgyHvKy59PWGc/JwrNwrdc=; b=quTyVqRdaMKMIbyY73lJIcJa4RN58Y3Ob2bOnxLoZSUwKDeAkrgGxMxIxTwOfRZB7v 2L0tWXT5w9IF6ZA7NY8fA574mF5HLyhzJaBvtNjZDdbEIwI5itOQp13MujT/oayoFLPb NZ6wf4CUuU0icr3dV8neN7xfWpl+qtzyI/MyGqvSEEy/U/FGNxmgztx34sXP4DgWa2GS BNB4daxPnmrjcZvvkxddtsQ+KdhkTE3bZVxXB4F3DpqpE0HUcAFaz9BPkB8hZBZbxxOp Jk0S3pvwWOHe9VKM2biPCZUBLnXvhd6LUMvXg6+uOWWoEWjHtjpX6e9zT7qOKIMxM2MY 8kMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version:content-type:x-original-sender :reply-to:precedence:mailing-list:list-id:x-spam-checked-in-group :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=TS11QQGmtCWifC5RJR4JLKgyHvKy59PWGc/JwrNwrdc=; b=ayexTFrUauiKOOZi549RDEtnTXEMyJHuZ+ZKvNnnNYStxFtpgEUPkrbea9uzGa9JV7 UaL30S5lHGx/ewZ9ZOrhObdFKPT80klH8VbUZvakRKa74sh2DsSmyLBZpvWxXURdDf8c mRmuGvppmkwIebF5fSgjQLwZI3uCoQ3fwffzxhL1GpfWi8vyarob+kAFXYQehjygf42e /rTFJJiZVA67zvgpsiNiy/lF82U5RwXNCZaP8DcPle90iUbEYfF7Vor4UGypqq8EJsii Tk9f8NUM3oCC/XplowV2iqdBXvyhmwQyVQSMZkaJvrkBcawl4Q++bOhpI1xIuJOpxQAt ivIQ== X-Gm-Message-State: ALoCoQmM+Nzh4eGw1OPFetjwb/B/1t368jlrApkiGO/44vqKYQpeOnJyPafJZ+quDz9a/TH85FlDUinLomocsWjT6x3GZcYE0w== X-Received: by 10.129.75.136 with SMTP id y130mr28304808ywa.2.1453220096134; Tue, 19 Jan 2016 08:14:56 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.50.79.166 with SMTP id k6ls1123963igx.34.gmail; Tue, 19 Jan 2016 08:14:55 -0800 (PST) X-Received: by 10.50.3.73 with SMTP id a9mr350309iga.4.1453220095220; Tue, 19 Jan 2016 08:14:55 -0800 (PST) In-Reply-To: <4ac1f63a-0ee6-42fd-8a09-f3cd2c2a1bd9@isocpp.org> X-Original-Sender: jmckesson@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:23850 Archived-At: ------=_Part_825_1916680416.1453220094576 Content-Type: multipart/alternative; boundary="----=_Part_826_1706372869.1453220094576" ------=_Part_826_1706372869.1453220094576 Content-Type: text/plain; charset=UTF-8 It should be noted that this changes some of my code from before: auto {x, y, z} = {func([*]rev_agg)...}; Becomes: auto {x, y, z} = func([*]rev_agg); There's no need for unpacking here, since it's just a value sequence. -- --- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. 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It should be noted that this changes some of my code from = before:

auto {x, y, z} =3D {func([*]rev_agg)...};

Becomes:
<= br>
= auto {x, y, z} =3D func([*]rev_agg);
<= br>There's no need for unpacking here, since it's just a value sequ= ence.

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