Talk:C++17

	This article is within the scope of WikiProject Computing, a collaborative effort to improve the coverage of computers, computing, and information technology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ComputingWikipedia:WikiProject ComputingTemplate:WikiProject ComputingComputing articles
Low	This article has been rated as Low-importance on the project's importance scale.
	This article is supported by WikiProject Software (assessed as Mid-importance).

C/C++ High‑importance

	This article is within the scope of WikiProject C/C++, a collaborative effort to improve the coverage of C and C++ topics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.C/C++Wikipedia:WikiProject C/C++Template:WikiProject C/C++C/C++ articles
High	This article has been rated as High-importance on the importance scale.

It seems to me there's a great deal more agreed upon that's not included yet.

External links modified[edit]

Hello fellow Wikipedians,

I have just modified one external link on C++17. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

Added archive https://web.archive.org/web/20170325025026/http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4660.pdf to http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/n4660.pdf

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 18 January 2022).

If you have discovered URLs which were erroneously considered dead by the bot, you can report them with this tool.
If you found an error with any archives or the URLs themselves, you can fix them with this tool.

Cheers.—InternetArchiveBot (Report bug) 06:36, 28 July 2017 (UTC)[reply]

Support for C++17[edit]

"GCC since version 7 has complete support for C++17" - I don't think that is true. For example, I use g++ 7.1. and there, std::filesystem it not supported. See also this page: https://en.cppreference.com/w/cpp/compiler_support#cpp17

There is a difference between the full language support and full library support. They are two different things. And with g++ 7.1 yu can use std::filesystem if you use a standard library with full support for it. Libstdc++ just didn't finish the last bits until 9.1, but you can use that with 7.1 if you like, or better yet, forget about the standard library and use something good. Carewolf (talk) 19:00, 21 May 2019 (UTC)[reply]

The correct wording would be "GCC since version 7 has complete support for C++17 Core Language". --Rineau (talk) 08:41, 22 May 2019 (UTC)[reply]

It is the same for all the compilers, except possibly MSVC who measures standard library support and core language support together. And how would you list clang? Based on libstdc++ like it used historically and still does on most Linux platforms, or with libc++ which it is today developed together with and deployed with on macOS? Perhaps we should list compiler and standard library separately? Carewolf (talk) 17:20, 24 May 2019 (UTC)[reply]

P0127R1 seems like a big feature I don't see listed (auto keyword in templates)[edit]

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0127r1.html I've read this was added in C++17. I wish I'd learned of this years ago reading these documents. I rely on them to know what's new in C++ iterations. --184.20.10.253 (talk) 03:17, 8 November 2020 (UTC)[reply]

You're right, that was a new feature in C++17 and it wasn't in our list. I've added it now. I see it's listed in the answer to the StackOverflow question What are the new features in C++17? - we should probably go through that answer to see if there's anything else listed there that we've missed. --Zundark (talk) 10:11, 8 November 2020 (UTC)[reply]

Thanks for tending to this. --184.20.10.253 (talk) 02:20, 9 November 2020 (UTC)[reply]