Niels Lohmann joins Timur and Phil. Niels talks to us about his popular JSON library, JSON for Modern C++ (often just known as nlohmann/json, after its github repo). We chat about the history and purpose of the library, with an interesting aside into starting and maintaining a popular OSS library, as well as what Niels is up to today.

News

• "The Performance Impact of C++'s final Keyword" - Benjamin Summerton
  • Reddit discussion
• Kris Jusiak: Meta-meta programming! (Reddit)

Links

• "Tips on Surveying the C++ Community" - Anastasia Kazakova's talk
• JSON for Modern C++

Sy Brand joins Phil and Timur. Sy talks about the imminent Pure Virtual C++ conference that they have been running with Microsoft's backing for a few years. Sy also discuss what they have been up to as Developer Advocate at Microsoft, as well as some fascinating outside interests.

News

• C++ Foundation's C++ 2024 Developer survey results
• P3236R0: "Please reject P2786 and adopt P1144"
  • P2786R5: "Trivial Relocatability For C++26"
  • P1144R10: "std::is_trivially_relocatable"
  • P1029R3: "move = bitcopies" (earlier alt paper)
• "C++20 modules and Boost: an analysis"
• "Boston C++ April 2024 online meetup"

Links

• Sy's short films
• Pure Virtual C++ 2024 conference
• 'BF' written in DWARF debug info

Erich Keane joins Timur and Phil. Erich chats about the recent WG21 meeting in Tokyo, his roles as chair and co-chair of the Language Evolution and Language Evolution Incubator working groups, respectively, as well as heterogeneous computing and his work at NVidia.

News

• CppCon - Call for Speakers
• ACCU 2024 Online
• Bjarne Stroustrup responds to White House warning against C++
• David Sankel's post on Boost split

Links

• New C++ meetup in Vienna, Austria
• Tokyo ISO C++ Committee Trip Reports:
  • In-depth status report
  • Herb Sutter's report
  • Think-Cell's trip report (Jonathan Müller)
• Papers discussed:
  • P2900R6 - "Contracts for C++"
  • P2996R2 - "Reflection for C++26"
  • P2688R1 - "Pattern Matching: match Expression"
  • P2830R1 - "Standardized Type Ordering"

Gail Ollis joins Phil and Matt Godbolt. Gail talks to us about why, after two decades of software development, she took a degree in psychology followed by a PhD that researched the psychology of software development - and how she now uses this to help others get started and, hopefully, avoid many of the human issues that can plague our software projects.

News

• "Contracts MVP is Feature Complete" - Reddit
• "Contracts for C++" Timur's C++ London talk
• Gemini refuses to talk about C++ 20 Concepts to someone under the age of 18!
  • Hacker News thread
  • Twitch streamer's reaction (ThePrimeTime)
• “White House urges developers to dump C and C++” - InfoWorld
• Conferences:
  • C++ on Sea Early Bird tickets and option, CfP closes soon (3rd-5th July)
  • using std::cpp, Madrid (24th-26th April)
  • C++ Now (29th April - 3rd May)
  • ACCU full schedule and volunteers programme (17th-20th April)

Links

• "Early Careers Day: A mini-conference for junior developers" - Gail's ACCU 2024 workshop
• "The kids are alright" - Gail's ACCU 2024 session showcasing her students
• Paper's Gail has co-authored on blending cyber security and software development:
  • Putting the Sec in DevSecOps: Using Social Practice Theory to Improve Secure Software Development
  • Dancing, not Wrestling: Moving from Compliance to Concordance for Secure Software Development
• "Helping developers to help each other: a technique to facilitate understanding among professional software developers" - Gail's PhD thesis

Patrick Quist joins Phil and Timur. Patrick chats with us about their work on the Compiler Explorer team and how they got into it. We explore some useful features that may not be as widely known, and take a peek under the hood at how it all runs.

News

• "C++ Package Managers: The Ultimate Roundup" - blog post by Christopher McArthur
• "Demystifying Lakos Rule via Visualization and How It Could Relate to Constexpr" blog post by Miro Palmu
• "A Year of C++ Improvements in Visual Studio, VS Code, and vcpkg" - blog post by Sy Brand
• NVidia interview question - Reddit thread

Links

• History of Delphi
• Compiler Explorer
• Also Compiler Explorer
• Compiler Explorer Public Dashboard (live stats)

Rainer Grimm joins Timur and Phil. Rainer talks to us about what he has learnt from many years of teaching C++ as a professional trainer, how training has become more accessible now more people are taking it online, and his thoughts on modern C++.

News

• The C++ Iceberg
• "C++20 Concepts applied - Safe bitmasks using scoped enums" - blog post by Andreas Fertig
• ACCU conference: Early-bird tickets and workshops

Links

• Reddit thread on Episode 375 with Daveed Vandervoorde
• Rainer's website and blog
• Rainer at Meeting C++ online, Feb 21st
• Rainer's "Concurreny in Modern C++" workshop at C++ Online, March 14th

Daveed Vandevoorde joins Phil and Timur. Daveed talks a bit about his work at EDG, but mostly his efforts to get Reflection into C++26, along with his co-authors, and how that fits into the big picture.

News

• Meeting C++ 2023 videos (including all keynotes)
• "A 2024 Discussion Whether To Convert The Linux Kernel From C To Modern C++"
• How do you correctly implement std::clamp?
  • Blog post
  • Reddit discussion
• C++ Online Workshops

Links

• P2996R1 - "Reflection for C++26"
• P1240R2 - "Scalable Reflection in C++"
• "C++ Templates - The Complete Guide" - book (Vandevoorde, Josuttis)

Ville Voutilainen joins Timur and guest co-host, Guy Davidson. Ville talks about his work at The Qt Company and on the C++ standard committee, and about how modern C++ features such as Modules and Sender/Receiver can integrate with the Qt framework.

News

• Matt Godbolt on Computerphile
• PVS-Studio C++ quiz
• Boston C++ meetup
• C++ Now

Links

• P2300R7 - std::execution (a.k.a. Sender/Receiver)

Phil and Timur are joined by ... Timur and Phil for a Holiday Special. We look back on the last year, discuss the news, and talk about what we're working on.

News

• "The Case for Memory Safe Roadmaps" - CISA
• Experimental EDG Reflection Support
• Boost 1.84.0 released
• Cling 1.0 released
• "About time - how to unit test code that depends on time" - Björn Fahller
• CppNorth:
• Call for Speakers
• "Earlist Bird" tickets
• ACCU Early bird tickets
• C++ Online tickets

Links

• Phil and Timur speaking at the December meetup in Munich
• "Digital Security by Design, CHERI and the Morello Board" - C++ London
• P2900R3 - "Contracts for C++"

Matthias Kretz joins Phil and Timur. Matthias talks about SIMD, including what it is, how it works, and what its useful for. We also discuss his proposal to introduce SIMD vocabulary types and functionality into the C++ standard and how it relates to what was in the Parallelism TS.

News

• MISRA C++ 2023 published
• Sonar webinar on MISRA C++ 2023 with Andreas Weis
• nlohmann/json 3.11.3 released
• reflect-cpp - Reflection library for C++20

Links

• P1928R7 - "std::simd — merge data-parallel types from the Parallelism TS 2"
• Matthias' CppCon 2023 talk on std::simd

Martin Hořeňovský joins Timur and Phil. Martin returns to talk about v3 of Catch2 and how it is different to v2. We also revisit the topic of random numbers and how Martin is still working on portable distributions and why that is important to testing and other domains.

News

• P2662R3 - "Pack Indexing"
• P1673R13 - "A free function linear algebra interface based on the BLAS"
• P2546R5 - "Debugging Support"
• P2996R0 - "Reflection for C++26"
• "Why I think C++ is still a desirable coding platform compared to Rust" - Henrique Bucher
• CLion Nova

Links

Martin's NDC TechTown 2021 talk on Catch2 v3