C++ at the end of 2020--Bartlomiej Filipek

By Adrien Hamelin | Jan 5, 2021 12:38 PM | Tags: community c++23 c++20

A summary of the year and the future.

C++ at the end of 2020

by Bartlomiej Filipek

From the article:

While 2020 was a crazy and hard year we were fortunate - C++20 was accepted and published, and the work on new features continues.

As usually every year, here’s my overview of the year: the standardization process, features, implementation, compilers, tools, books and more...

2020-12 mailing available

By Administrator | Dec 26, 2020 11:22 AM | Tags: None

The 2020-12 mailing of new standards papers is now available.

Remembering Beman Dawes

By Bjarne Stroustrup | Dec 4, 2020 09:47 AM | Tags: None

Remembering Beman Dawes

by Bjarne Stroustrup and Herb Sutter

On December 1, we lost Beman Dawes, one of the most influential people in C++’s history. The C++ committee and communities, and we personally, owe Beman a lot. Although no funeral is planned because of Covid, we can all keep Beman and his many contributions, and his wife Sonda and their family, in our thoughts at this difficult time.

Beman was a member of the C++ standards committee (WG21) since 1992 and chair of the Library Working Group for five years during the completion of the first C++ standard, C++98.

I (Bjarne) remember that in 1994, the adoption of the STL into the standard was most uncertain because many doubted its utility and feared its novelty. At a critical point, Beman spoke up and calmly explained to the committee that he had thought the STL too complex for ordinary programmers, but as an exercise he had implemented about 10% of it himself so he no longer considered it beyond the standard. It can be argued that the STL and the techniques it pioneered saved C++ as a living language. Without Beman, this may very well not have happened.

Beman was the original developer of <filesystem> and shepherded it through its tortuous path into the standard. When it mattered, he could be patient.

Boost was an “invention” of Beman’s as a cofounder with Dave Abrahams and soon many others. Like many, Beman decided (correctly) that lack of quality libraries was a startling weakness of C++ — we had and have an incredible number of libraries, but they have no shared style and often don’t easily interoperate. Beman’s key idea was to create a community around the development of libraries that could complement the standard library. Many of the most successful Boost libraries are now part of the standard and used world-wide. In support of the community idea, Beman was one of the founders of BoostCon (later called C++ Now). That conference created an important early hub where the people working on further evolution of the C++ library and language after the first standard could meet to socialize and exchange ideas, a culture that has grown broader and now flourishes at a number of conferences.

We have relied on Beman's skills and wisdom broadly: When the Standard C++ Foundation was created in 2012, Beman was one of the founding directors along with us. When WG21 created the Library Evolution group in 2013 to have a separate group be responsible for the overall design of the C++ standard library, Beman kindly agreed to step up to be its founding chair to get it started on the right foot and find his own replacement. When WG21 created the Direction Group in 2017 so that we could have a small group of the most wise and respected C++ experts in the world to recommend direction for C++ evolution, Beman was a natural choice to invite as a founding member, and we are glad he accepted that too.

Clearly, every C++ programmer owes a debt to Beman. He was an experienced application developer who brought his insights, skills, and energies to the standards committee. Without him, C++ would not be what it is today.

On a personal note, I (Herb) attended my first WG21 meeting in summer 1997. Even then when the committee was smaller, it was a pretty intimidating thing to be an unknown person showing up unannounced to a gathering of the Who’s Who of all the world-class experts I had known only from their books and reputations. Among many who welcomed me, Beman was key — I spent most of my time there in the Library group, Beman’s group, and all I felt qualified to do was sit and listen and absorb how things worked. Beman personally, and the warm culture he fostered in his group, made me feel comfortable and welcome enough that I learned a lot that week, attended another meeting, and another, and never quite stopped.

Thanks, Beman. Thank you, very much, for your enduring contribution that has benefited so many people.

2020-11 mailing available

By Administrator | Nov 22, 2020 11:20 AM | Tags: None

The 2020-11 mailing of new standards papers is now available.

2020-10 mailing available

By Administrator | Oct 20, 2020 11:18 AM | Tags: None

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2020-09 mailing available

By Administrator | Sep 25, 2020 02:46 PM | Tags: None

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C++20 Approved -- Herb Sutter

By Felix Petriconi | Sep 7, 2020 12:13 PM | Tags: c++20

C++20 passed unanimously, on track to publish later this year.

C++20 Approved

by Herb Sutter

About the article

On Friday September 4, C++20’s DIS (Draft International Standard) ballot ended, and it passed unanimously. This means that C++20 has now received final technical approval and is done with ISO balloting, and we expect it to be formally published toward the end of 2020 after we finish a final round of ISO editorial work.

As always, we are not counting on ISO’s publication speed to call it C++20, it’s C++20 because WG21 completed technical work in February. If for some reason ISO needs until January to get it out the door and assigns it a 2021 publication date, the standard will still be referred to as C++20. That is already its industry name, and 300,000+ search hits can’t be (retroactively made) wrong!

2020-08 mailing available

By Administrator | Aug 24, 2020 01:52 PM | Tags: None

The 2020-08 mailing of new standards papers is now available.

2020-07 mailing available

By Administrator | Jul 27, 2020 10:31 AM | Tags: None

The 2020-07 mailing of new standards papers is now available.

"C++ Move Semantics - The Complete Guide" now Feature Complete -- Nico Josuttis

By Nico Josuttis | Jun 23, 2020 01:14 PM | Tags: advanced

The new book by Nico Josuttis is now available as an ebook draft.

C++ Move Semantics - The Complete Guide

by Nico Josuttis

About the book:

Having 200 pages, the description of move semantics is feature complete now. Only a few chapters about the use of move semantics in the C++ standard library are missing.

The book teaches all aspects of C++ move semantics. Starting from the basic principles it motivates and explains all features and corner cases (such as perfect returning with decltype(auto)) so that a C++ programmer can understand and use move semantics right in application code, when implementing classes, in generic code, and in foundation libraries.