220 30752 article Path: news.gmane.org!.POSTED!not-for-mail From: David Stone Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: template template aliases? Date: Thu, 2 Feb 2017 18:55:40 -0800 (PST) Lines: 49 Approved: news@gmane.org Message-ID: References: Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_1491_186793585.1486090540885" X-Trace: blaine.gmane.org 1486090541 15527 195.159.176.226 (3 Feb 2017 02:55:41 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 3 Feb 2017 02:55:41 +0000 (UTC) Cc: richardsmith@google.com To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCB5ZIET2UNRBLPCZ7CAKGQERWKAPKA@isocpp.org Fri Feb 03 03:55:37 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-io0-f199.google.com ([209.85.223.199]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cZU2D-0003ux-8o for gclcip-std-proposals@m.gmane.org; Fri, 03 Feb 2017 03:55:37 +0100 Original-Received: by mail-io0-f199.google.com with SMTP id j18sf10136469ioe.3 for ; Thu, 02 Feb 2017 18:55:42 -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: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=RFn+VEfuyBYRHFKyDig4t/B+hBnfDqERnVMBkfdVaf8=; b=HyB7ROGGYDW0G5EI0LtnWXTzId0opNx/XUJ2tzYPvmWWzl6aFfqCIxDZHD6UBIml9l bb+NLLO98cO1O0eBKqBSdE1Y9hDuvmQv46cNzUXSTjBDpyy6jL3nI8rPHKtczC2+Tv11 3ZsITUnVojyApUVoshwT3QDFLgFnijXFup8srxGRz5Snodpq33X7xI7z+Sr/bBmDtB1u KO05ffNebtnlFKzcnXChELGPI8Ebwzj5Ueb5sjETF05SCOwhr2YKipUcQlQ1UspRzOiJ 4Z/cpr3sDzvU09iqWaX0g6Lk6fGsi07qQdluev7yhjPVzWWbdE8XIm4Z5G9y30UKBO5+ rj/A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:message-id:in-reply-to:references:subject :mime-version: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=RFn+VEfuyBYRHFKyDig4t/B+hBnfDqERnVMBkfdVaf8=; b=OuQJH4emqp2CxgZgUq6iXTikUh9n62VRzpk9rv5Tepscvjvw6hxhdLbfuJhIkHlFEE +eFMe/JouC9qaeqAF7Js/SR0CP91LSJEweKNWDp1oCcundm6nbUyrJ638K6YCCPcLe9/ V9ZwDdTPZAXBenCQBnECcj/s9FLiZd9+yjoO1ZM9R2OvztEGrqhho9VR0swQoChPyBYo eG5jmYi4/++jgzFfhdAcIHBc8Lvp13O95AjQssvh63MCo5+qi4+yaTGdeENCVftl5FY8 eAvlfP8PMvkf6p87v2xCzWAns68pjPl++m/SwVtdkJrIpDhSGsEErc1Bk24VDVWGKQ2H Bdjg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:message-id:in-reply-to :references:subject:mime-version: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=RFn+VEfuyBYRHFKyDig4t/B+hBnfDqERnVMBkfdVaf8=; b=P4gywlq4JaPW66luliJG/nUU+rimzz3AlM1OFuHYqnxceQUcGtt6LbjlNjb7uzvWML H2kdoOv7LQTSdMnebVsemg5+2bZjuGYVAxX5e/s/RuR3Slsb4rCH8Z7+FP5QJwE7dovB bOpZVAej4m6dDrbXaXHnZZ7TrXBFlUi33fyR0EArN2ir90QjK1hq7VF1vkmp+Q2zCzCT zCMCLOgvJVwWtVvZ+qQ+cwGAh9Mr4rIO9GvDnq52s05obW1lbzHCS9jFqaOKB8EhCLmj tPN00LKu/xsa9zWvACXYZ8MvdtIlHWpxijcmbqz4CaGRFzvPqcqGSmG9bYwr+vMljRl+ 7aWw== X-Gm-Message-State: AIkVDXJlSCEOSrkv1mwBa/kwda16yFwLVocnQ73GnFtmOgOPdmaWdOXfpLRo0iX2pAgxtg== X-Received: by 10.107.170.221 with SMTP id g90mr3367715ioj.20.1486090542289; Thu, 02 Feb 2017 18:55:42 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.157.17.23 with SMTP id g23ls6107536ote.24.gmail; Thu, 02 Feb 2017 18:55:41 -0800 (PST) X-Received: by 10.157.18.211 with SMTP id g77mr1222028otg.14.1486090541566; Thu, 02 Feb 2017 18:55:41 -0800 (PST) In-Reply-To: X-Original-Sender: DeusExSophismata@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: 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:30752 Archived-At: ------=_Part_1491_186793585.1486090540885 Content-Type: multipart/alternative; boundary="----=_Part_1492_1830184067.1486090540885" ------=_Part_1492_1830184067.1486090540885 Content-Type: text/plain; charset=UTF-8 Another solution to the same problem would be to use "normal" functions / function objects and use something like boost::hana to convert the types to values. Then existing language features can be used (with better syntax in many cases). Instead of thing, you would use thing(type)(type). -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/b2f08945-41e8-4992-b13a-826d7c0a796a%40isocpp.org. ------=_Part_1492_1830184067.1486090540885 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Another solution to the same problem would be to use "= ;normal" functions / function objects and use something like boost::ha= na to convert the types to values. Then existing language features can be u= sed (with better syntax in many cases). Instead of thing<int><int&= gt;, you would use thing(type<int>)(type<int>).

--
You received this message because you are subscribed to the Google Groups &= quot;ISO C++ Standard - Future Proposals" group.
To unsubscribe from this group and stop receiving emails from it, send an e= mail to std-proposa= ls+unsubscribe@isocpp.org.
To post to this group, send email to std-proposals@isocpp.org.
To view this discussion on the web visit https://groups.google.= com/a/isocpp.org/d/msgid/std-proposals/b2f08945-41e8-4992-b13a-826d7c0a796a= %40isocpp.org.
------=_Part_1492_1830184067.1486090540885-- ------=_Part_1491_186793585.1486090540885-- .