Cppcast

Sean Baxter joins Timur and Phil. Sean explains how he has managed to implement a borrow checker for C++ in his Circle compiler. In fact his implementation addresses all the same safety issues that Rust addresses. News "Noisy: The Class You Wrote a Hundred Times" Reddit discussion "Addressing That Post About final" Conference News: Pure Virtual C++ 2024 videos C++ on Sea 2024 - full scheduled published Links Jet Propulsion Lab Circle homepage "Safe C++" - Sean's video covering the implementation discussed on the episode P2687R0 - "Design Alternatives for Type-and-Resource Safe C++" - Stroustrup & Dos Reis P2771R0 - "Towards memory safety in C++" Clang's "Lifetime Extensions for C++" RFC

Mara Bos joins Phil and Timur. Mara talks to us about her work on the Rust evolution team and how she uses embedded Rust for drone flight controllers. We chat about some of the differences and similarities between C++ and Rust, and what the two languages can, and should, learn from each other. News GCC 14 released Changes Reddit discussion "An informal comparison of the three major implementations of std::string" (updated) - Raymond Chen BugInsight – New memory leak and deadlock finder for C and C++ on Windows Reddit discussion Links "Rust Atomics and Locks" - Mara's book "driveway moment" (Wiktionary)

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 se

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

Mateusz Pusz joins Phil and new guest co-host, Anastasia Kazakova. Mateusz talks to us about his physical units (and quantities) library, mp-units, why v2 is a complete redesign compared to the previous version, and how incorporating a system of quantities is so central to this new design. News clang 17 released Conference videos released in October AMA with Abbas Sabra (automatic/ static analysis) Is it too hard for junior developers to get on the C++ career ladder (Reddit) Links mp-units on GitHub mp-units - Documentation C++ on Sea 2023 video The Mars Climate Orbiter crash p1935 - "A C++ Approach to Physical Units" p2980 - "A motivation, scope, and plan for a physical quantities and units library" p2981 - "Improving our safety with a physical quantities and units library" p2982 - "std::quantity as a numeric type" p3003 - "The design of a library of number concepts"

Frances Buontempo joins Phil and returning guest co-host, Matt Godbolt. Frances talks to us about her new book on modern C++ as well as her the topic of her previous book on machine learning. We discuss the differences between LLM-based AI and more statistical approaches, as well as where random numbers fit into all this and the limitations of their current support in C++. News CppCon programme announced C++ on Sea videos "Inside STL" - The Old New Thing (August archive) Open source C++ projects that use modern C++ features (Reddit) Links "C++ Bookcamp" (title may change) - Frances' new book "Genetic Algorithms and Machine Learning for Programmers" - Frances' previous book Overload issues (submit articles on the main ACCU site) Frances' paper bag escapology certificate Shannon's mind reading paper ERNIE (Electronic Random Number Indicator Equipment) P2059R0 - "Make Pseudo-random Numbers Portable" (defunct) "Using, Generating and Testing with Pseudo-Random Numbers" - Frances' ACCU 2023 talk "Program

Abbas Sabra joins Phil and Timur. Abbas talks to us about static analysis, the challenges - and benefits - of analysing C++ code, and a new feature from Sonar that can scan public repos with zero config. News Boost 1.83.0 released fmt 10.1 released The downsides of C++ Coroutines Links "All the defaults are backwards" - Phil's Lightning Talk "No, C++ static analysis does not have to be painful" - Sonar blog video showing Sonar's Automatic Analysis in action Sonar Community Discourse forums

Mark Gillard joins Timur and guest co-host Jason Turner. Mark talks to us about reflection, SIMD, and his library soagen, a structure-of-arrays generator for C++. News What is Low Latency C++? C++Now 2023, part 1 What is Low Latency C++? C++Now 2023, part 2 Inside STL: The vector Inside STL: The string Experimenting with Modules in Flux pycmake cpptrace Links Soagen on GitHub Soagen documentation Mike Acton: Data-Oriented Design and C++ at CppCon 2014 Bryce Adelstein Lelbach on SoA and reflection at ACCU 2023 Data-Oriented Design and Modern C++ at CppNow 2023 Godbolt's law toml++ on GitHub PVS-Studio: 60 terrible tips for a C++ developer

Dmitry Kozhevnikov joins Timur and guest co-host Matt Godbolt. Dmitry talks to us about how the CLion IDE works under the hood. News mold 2.0.0 released CLion 2023.2 released Should we stop writing functions? Links C++ Lambda Idioms: technique to separate user-specified and deduced template parameters The Kotlin Foundation JetBrains Runtime CLion data flow analysis engine PVS-Studio: 60 terrible tips for a C++ developer

Bjarne Stroustrup joins Phil and Timur. Bjarne talks to us about safety in C++ through profiles, as well as modules and concepts - and looks ahead to what else is coming next. News C++ Now 2023 videos ACCU 2023 videos JetBrains Developer Ecosystem Survey 2023 Upcoming Boost 1.83 release Links P2739R0 - 'A call to action: Think seriously about “safety"; then do something sensible about it' P2687R0 - 'Design Alternatives for Type-and-Resource Safe C++' 'Contemporary C++ in Action' (video) - Daniela Engert

Tristan Brindle joins Timur and Phil. Tristan talks to us about a safer alternative to iterators and his library, Flux, that implements it. News 60 terrible tips for a C++ developer Big, combined, committee trip report from Varna CLion 2023.2 EAP4: AI Assistant "Making C++ Memory-Safe Without Borrow Checking, Reference Counting, or Tracing Garbage Collection" Links Episode 78 of CppCast, mentioning Cling Episode of ADSP recorded at C++ on Sea Episode 152 of CppCast, with Tristan and the C++ London Uni team Flux on GitHub