220 26379 <58413fd1-653d-4171-a250-baa99c0a597b@isocpp.org> article Path: news.gmane.org!not-for-mail From: Guillaume Racicot Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: template Date: Sat, 25 Jun 2016 09:14:27 -0700 (PDT) Lines: 117 Approved: news@gmane.org Message-ID: <58413fd1-653d-4171-a250-baa99c0a597b@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_2891_887988895.1466871267830" X-Trace: ger.gmane.org 1466871276 25220 80.91.229.3 (25 Jun 2016 16:14:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 25 Jun 2016 16:14:36 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBC23RWMN2YNRBZG3XK5QKGQEUPINV4Q@isocpp.org Sat Jun 25 18:14:31 2016 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ob0-f200.google.com ([209.85.214.200]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bGqE2-0006Dl-PP for gclcip-std-proposals@m.gmane.org; Sat, 25 Jun 2016 18:14:30 +0200 Original-Received: by mail-ob0-f200.google.com with SMTP id at7sf237884636obd.1 for ; Sat, 25 Jun 2016 09:14:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id: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=VDqMe/A7kBuSCArtribjKyFcMslim0Pt6KIzmjl9oUg=; b=nlhFLX7oM1cOIYTpv2nW+aPzSVmH73b9IdnCGtFpkSlIEM1xJcCfLr6uAj0s6Xp2cn L9wWLDxA1z+nUMJ1ESy9gaRMjm2C1LUxGtklC6Ikr6T+7lkPKYP+eNdf5gmfVp0Rlcbt v8m0SsP4iVmEBIzqz0SGZait2sntIhY151TbA5k/edTWBohSZhhBv9D8B0ihSTKMeX9t oCVjHS2mbVvAW/SIIictNKOIg843w2yVf6JnFNeyTtyvHFxJbj5mHy6EuSWcAD7E7i/d JcOat9o9jyJGh+Mgj/b3k9A1MNTdKOe5J5xhNjhpkVeaRH8BEVo5NXG80Nq9CV8mTXH5 IxtQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:message-id: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=VDqMe/A7kBuSCArtribjKyFcMslim0Pt6KIzmjl9oUg=; b=Bp1Av9/rMHbHqiXiZ8OxKc2lxymiaX5acFDTdAAqFl8Sn7KBnRffNUfl7Pim0FTKc8 daYAAWvGjaceVfrwEB2V48seNVVk8gxMIB6n/cArPqQyAW8o9F7fDmfAvOg1YQ5d4LXa FSql12nCjaUFcKHoKvi2mZIJBT/4vhqIywq901eigmwwjkYWwXS3zleFlyzXpspZOJOf TVsk1sjaKtMtZEYRJTtSikmSnca0q0aUxSxQDK0Pc/q0CxXDk8dm2q5wRD1HxtgCSJfK k60gBQ2hnw7gYiWYryO9Ds/mZWvaccO+f5ycWkVjcSGgqDHLPnXXnO78TeWjANha7rjQ IDMg== 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:message-id: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=VDqMe/A7kBuSCArtribjKyFcMslim0Pt6KIzmjl9oUg=; b=Ztr4uVNS39YYzv72G5E7P16UWkQ14u0RdfUgsAfKTV56+/sH461YV7WVN0hojS6dPS vbsKkGitXNTCEMd2ZBHmiO5ifjgGEBALZrfzyvVrAo0Dfbt2JaiVirueTwvzWzO9+LLX KsJ2SBvzjH7/YI6X1vH5Jw4OG/UhHko4XDJzG2EjUFGnrvjfeTyOZDqrv8ANSCIxAFaC dBDl3v4tWKoqSreOAGwJLKZc1P8DOILGwBzdeqSRWru6ARNoDUFjyxI7FIRidmFddOMc evfcrYWNOCzYa4jG9z7UtxT3PRguOsu4Yhi5lsPpcz2ITH1eHajziO62Se6iM38WHlJi IAkA== X-Gm-Message-State: ALyK8tL76WVUmickybyxGq3D70lBJI3E4Ayv/THJCyK6djb412MeUepc5ZyGXI50lDbR+Q== X-Received: by 10.157.18.215 with SMTP id g81mr9165948otg.16.1466871269899; Sat, 25 Jun 2016 09:14:29 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.107.131.67 with SMTP id f64ls3368698iod.73.gmail; Sat, 25 Jun 2016 09:14:28 -0700 (PDT) X-Received: by 10.36.213.134 with SMTP id a128mr106560itg.8.1466871268781; Sat, 25 Jun 2016 09:14:28 -0700 (PDT) X-Original-Sender: gufideg@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:26379 Archived-At: ------=_Part_2891_887988895.1466871267830 Content-Type: multipart/alternative; boundary="----=_Part_2892_1965327228.1466871267830" ------=_Part_2892_1965327228.1466871267830 Content-Type: text/plain; charset=UTF-8 After reading P0127R1 , I wondered if auto& as a template parameter is be possible too. It would allow things like this: template struct Foo { void display() { std::cout << "value: " << thing << " address: " << &thing << std:: endl; } }; extern int i; Foo foo; Is this thing already possible in the current proposal? -- 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/58413fd1-653d-4171-a250-baa99c0a597b%40isocpp.org. ------=_Part_2892_1965327228.1466871267830 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
After reading=C2=A0P0127R1, I wondered if auto&a= mp; as a template parameter is be possible too. It would allow things like = this:

template<auto& thing>
struct Foo {
=C2=A0 =C2=A0 void display() {
=C2=A0 =C2=A0 =C2=A0 =C2=A0 std::cout << "value: " << thing << " address: " << &t= hing <&= lt; std::endl;
=C2=A0 =C2=A0 }
};

extern int i;

Foo<i> foo;
<= div>
Is this thing already possible in the current proposal?<= /div>

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