Trip Report: C++ Standards Meeting in Cologne, July 2019

Botond Ballo

• Reddit https://www.reddit.com/r/cpp/comments/ci3oe6/trip_report_c_standards_meeting_in_cologne_july/
• CppCast

Quote:

Contracts were pulled from C++20 because the consensus for their current design has disappeared [1]

Guy Davidson

• Reddit https://www.reddit.com/r/cpp/comments/cjb8r2/the_german_tour_cologne_trip_report/

Quote:

The big news though was the withdrawal of Contracts from the working draft. The consensus is that it simply isn’t ready yet <...>

Survey results: Your “top five” ISO C++ feature proposals

https://herbsutter.com/2019/07/25/survey-results-your-top-five-iso-c-feature-proposals/

Comment:

Indeed, the results are incredibly biased, in favor of:

• Your own proposals.
• Your own interests.
• Proposals made recently or which have gone through part of the adoption pipeline.

https://www.reddit.com/r/cpp/comments/ci0uz6/survey_results_your_top_five_iso_c_feature/

• ELI5

C++20 articles

• https://iscinumpy.gitlab.io/post/cpp-20/
• https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/

Game developer's C++ rant

Meeting Bjarne Stroustrup this Monday, any questions you would like asked?

https://www.reddit.com/r/cpp/comments/chwncp/meeting_bjarne_stroustrup_creator_of_c_this/

Simplify Your Code With Rocket Science: C++20’s Spaceship Operator

https://devblogs.microsoft.com/cppblog/simplify-your-code-with-rocket-science-c20s-spaceship-operator/

https://www.reddit.com/r/cpp/comments/c68457/simplify_your_code_with_rocket_science_c20s/

How do you get the benefits of Rust in C++?

https://www.reddit.com/r/cpp/comments/c6gtd4/how_do_you_get_the_benefits_of_rust_in_c/

• SaferCPlusPlus https://github.com/duneroadrunner/SaferCPlusPlus/blob/master/README.md
• Clang 10 thread safety analysis https://clang.llvm.org/docs/ThreadSafetyAnalysis.html
• Sanitizers https://github.com/google/sanitizers
• Escher C++ Verifier http://www.eschertech.com/papers/ecvpp2016.pdf

• Lifetime profile

  • Paper https://github.com/isocpp/CppCoreGuidelines/blob/master/docs/Lifetime.pdf
  • Clang implementation https://eurollvm2019.sched.com/event/MGhd/implementing-the-c-core-guidelines-lifetime-safety-profile-in-clang
  • Lifetime Profile Update in Visual Studio 2019 Preview 2 https://devblogs.microsoft.com/cppblog/lifetime-profile-update-in-visual-studio-2019-preview-2/

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