220 28836 article Path: news.gmane.org!.POSTED!not-for-mail From: =?UTF-8?Q?Daniel_Kr=C3=BCgler?= Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: std::reverse_lookup for arrays, does it at least make some sense? 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[2607:f8b0:400d:c0d::232]) by mx.google.com with ESMTPS id h67si9553929qkd.202.2016.10.14.05.45.45 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Oct 2016 05:45:45 -0700 (PDT) Received-SPF: pass (google.com: domain of daniel.kruegler@gmail.com designates 2607:f8b0:400d:c0d::232 as permitted sender) client-ip=2607:f8b0:400d:c0d::232; Original-Received: by mail-qt0-x232.google.com with SMTP id q7so74143628qtq.1 for ; Fri, 14 Oct 2016 05:45:45 -0700 (PDT) X-Received: by 10.28.32.69 with SMTP id g66mr1569283wmg.10.1476449144664; Fri, 14 Oct 2016 05:45:44 -0700 (PDT) Original-Received: by 10.28.63.145 with HTTP; Fri, 14 Oct 2016 05:45:44 -0700 (PDT) In-Reply-To: X-Original-Sender: daniel.kruegler@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of daniel.kruegler@gmail.com designates 2607:f8b0:400d:c0d::232 as permitted sender) smtp.mailfrom=daniel.kruegler@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=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:28836 Archived-At: 2016-10-14 14:35 GMT+02:00 Daniel Kr=C3=BCgler : > 2016-10-14 14:22 GMT+02:00 Ivan G. : >> Yes, it's effectively constexpr std::find_if. Can it itself become const= expr >> in future? I also tried to imagine how it could work for C string arrays= , >> but maybe it needs totally different function. > > It is definitively possible to follow that path. There was a very > general proposal > > http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0202r1.html > > and albeit it wasn't voted in during the Oulu meeting for C++17, LWG > was happy with it. Let me insert here, that std::reverse_iterator got full constexpr support by the very same author and was voted in during the Jacksonville 2016 meeting: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0031r0.html > - Daniel --=20 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 e= mail to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. 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