From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by sourceware.org (Postfix) with ESMTPS id 6C35E3858025 for ; Sun, 16 May 2021 07:24:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 6C35E3858025 Received: by mail-wm1-x32e.google.com with SMTP id b7so1202677wmh.5 for ; Sun, 16 May 2021 00:24:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=31bVSo0P6lBfZy3suNDH+k6ITNVVXm1cSmPWeBuLhus=; b=QRkepTdHmzZdNh7yZgzIS6vcd2k1MhcnqxQX0NGPuJKTlpbQHw7K0YS8FalZeqECSd C/6c6f0y9v1G2wcWc2GuJxZ5F2x8x/w3FDC20PtOSXUxOH0FifW0xRQ33VhhH9YUDDnx WIj5LxCn6LOaap37+emVq0fAeeKsJn+RClTbRtVUe4zxtv1r40/7jxwAUQFJ5/jTPcYQ HL6X7zzZHdxU81M3+esTCWL0XomHuu39IbA1F3nP2cwsegKjAGd4o8U4gVz5Mtv+h9Ti P8gTstxvAh5h/1aeoqf+dEfjGvQJT5nAa71NvuCe3PtNuTvKNpORsZEYK01L9jMdDvDc H3dw== X-Gm-Message-State: AOAM531Vt06YEFYz7QHyu0fTW5P59y6Ae6BCqTRVl5WCjhoQrmw+wUuu LZYR2G8ceo8pA7pnkLbAOzqdCPRa5a2pURW5PXQ= X-Google-Smtp-Source: ABdhPJycLwoog6jxqOCoonvHikORsiVKfi9SaDJa3Kon3g1YeMyyH8kWl2HhLZnDjDa4ad/LHI2uwMrqpxuifvT9VO8= X-Received: by 2002:a05:600c:2310:: with SMTP id 16mr538390wmo.17.1621149874932; Sun, 16 May 2021 00:24:34 -0700 (PDT) MIME-Version: 1.0 References: <20210515111253.2a473939@spencercollyer.plus.com> <41080801-18f7-dd92-002e-0fc3c30d726d@verizon.net> In-Reply-To: <41080801-18f7-dd92-002e-0fc3c30d726d@verizon.net> From: Jonathan Wakely Date: Sun, 16 May 2021 08:24:23 +0100 Message-ID: Subject: Re: Status of P0645 (std::format) in libstdc++ To: Ed Smith-Rowland <3dw4rd@verizon.net> Cc: Spencer Collyer , "libstdc++" X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, HTML_MESSAGE, KAM_SHORT, RCVD_IN_DNSWL_NONE, 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 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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 07:24:38 -0000 On Sun, 16 May 2021, 03:29 Ed Smith-Rowland, <3dw4rd@verizon.net> wrote: > On 5/15/21 9:27 AM, Jonathan Wakely via Libstdc++ wrote: > > On Sat, 15 May 2021, 12:10 Spencer Collyer, < > spencer@spencercollyer.plus.com> > > 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. > Maybe, although an independent re-implementation of the spec has big advantages for the quality of the spec.