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Sun, 16 May 2021 02:28:59 +0000 Received: by kubenode547.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 27fc59ec45e621487e7a407963f22daa; Sun, 16 May 2021 02:28:55 +0000 (UTC) Subject: Re: Status of P0645 (std::format) in libstdc++ To: Jonathan Wakely , Spencer Collyer Cc: libstdc++ References: <20210515111253.2a473939@spencercollyer.plus.com> From: Ed Smith-Rowland <3dw4rd@verizon.net> Message-ID: <41080801-18f7-dd92-002e-0fc3c30d726d@verizon.net> Date: Sat, 15 May 2021 22:28:54 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-GB X-Mailer: WebService/1.1.18291 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.aol Apache-HttpAsyncClient/4.1.4 (Java/16) X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_SHORT, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 16 May 2021 02:29:02 -0000 On 5/15/21 9:27 AM, Jonathan Wakely via Libstdc++ wrote: > On Sat, 15 May 2021, 12:10 Spencer Collyer, > wrote: > >> Firstly, I hope it is OK to ask questions like the following on this list. >> > Yes, totally fine! > > > >> I'm wondering what the status of P0645 in libstdc++ is at the moment? This >> is the proposal that introduces the std::format text formatting library in >> C++20. >> >> I've checked the page >> https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html#status.iso.2020. >> The line for that proposal just mentions the SD 6 feature test macro check >> to see if it is supported. Is it being worked on at present? >> > > No, not that I'm aware of. > > For now, the best option is to use the fmt library from GitHub. I was looking into this (not that I have time) and decided that grabbing fmt is the best way forward for libstdc++ if the licensing could work. Ed