CppCast

Mathieu and Jason are joined by Jon Bauman to discuss safety and interoperability between Rust and C++. They dig into what "safety" really means (there are several categories of safety), what can and can't be guaranteed, how C++ could become a memory-safe language, and the challenges of making Rust and C++ work well together. Jon is currently looking for sponsorship to continue this important work. You can contact Jon via Joncppcast@shumi.org.

Mathieu and Jason are joined by Kevin Carpenter to discuss all aspects of being involved with a conference: from regular attendee, to volunteering, to speaker, volunteer coordinator, and catering concerns. Kevin also shares some of his insights into how credit card processing works, along with some of the challenges he's encountered. In this episode Jason also gives the guest some homework assignments for future conferences!

Jason and Mathieu are joined by the self-taught Alex (Waffl3x) to discuss the C++ standards committee, defaulted post-fix operators, and self-taught computer engineering. Alex shares his experience of joining the C++ Committee and his efforts to get more people involved.

Jason and Mathieu are joined by Mark Guidarelli to discuss the history of C++ and esoteric programming languages, Mark's own development history spanning four decades, and what "merging" used to mean before source control.

Jason and Mathieu are joined by Tom Tesch to discuss teaching C++ to game development students, how LLMs and chatbots are reshaping programming education and assessment, and the lessons that come from teaching on retro hardware like the NES.

Jason and Mathieu are joined by Chris Bieneman to discuss GPU programming and the evolution of HLSL, the challenges of floating-point determinism on GPUs, and lessons from over a decade of shading language and compiler work.

Jason and Mathieu are joined by Keith Stockdale to discuss C++26 news, his experience upgrading Sea of Thieves from C++14 to C++20 across compilers, and the practical challenges of raising compiler warning levels and enabling warnings as errors.

Daniel Nikpayuk joins Jason to talk about ccTMP, his C++17 template metaprogramming library that builds a functional type system at compile time by encoding bytecode as template parameters in continuation-passing style — letting the C++ compiler itself optimise away the interpretation layer. They also cover Daniel's path into C++, from typesetting Inuktitut in LaTeX to his longer-term goal of a multimedia programming language for Indigenous storytelling.

Jason is joined this week by Jamie Pendergast to discuss the current job market, learning to program, and optimizing compilers.

Mathew Benson joins Phil and Timur. After some news on new dev tool releases and some welcome improvements to iostreams in GCC13, we talk to Mathew Benson about what it's like to learn and use C++ in Africa and the implications for the hardware and our choices in programming language. Mathew also draws an interesting parallel to natural languages.

Timur and Phil reflect on Phil and Timur. We share some personal updates as well as news from the community.

Phil and Timur are joined by Herb Sutter to catch up on what's going in to C++26 which, let's be honest, is dominated by reflection.

Matt Kulukundis joins Timur and Phil. Matt talks to us about BrontoSource, his start-up focused on refactoring, updating or migrating large codebases, as well as his work on Swiss Tables.

Phil and Timur are joined by Jason Turner, Matt Godbolt, Anastasia Kazakova and Guy Davidson to celebrate 400 episodes of CppCast and catch up with the co-hosts that have helped us keep up for the last 50 of them!

Kristen Shaker joins Timur and Phil. Kristen talks to us about her C++ on Sea keynote about the C++ interview process, her previous work at Google, and why she has made a slightly unusual career change.

Jonathan Wakely joins Phil and Timur. Jonathan talks to us about libstdc++ (GCC's standard library implementation), of which he is the lead maintainer, and tackles some tough questions like ABI compatibility - and how GCC and libstdc++ approach it.

Daisy Hollman joins Phil and Anastasia. Daisy talks to us about the current state of the art in using LLM-based AI agents to help with software development, as well as where that is going in the future, and what impacts it is having (good and bad).

Louis Dionne joins Phil and Timur. Louis talks to us about his role as code owner of libc++ (clang's standard library implementation) and the standard library hardening proposal that was just accepted into C++26, why this is important, and what you can do even today.

Timur and Phil return after an extended break with news and updates

Anders Knatten joins Phil and Timur. Anders reminds us about cppquiz.org and tells to us about his new book, C++ Brain Teasers, how that relates to the site and why it's has good practical applicability.

Christoper Apple joins Timur and Phil. Chris talks to us about his work on the new Realtime Sanitizer in the Clang20 release, as well as the associated Performance Constraints attributes, how they differ, and how they work together.

Eduardo Madrid joins Phil and Timur. Eduardo talks to us about the Zoo libraries, including his advanced type-erasure library, as well as the SWAR library which simulates ad-hoc SIMD within a register. We also discuss how he has taken inspiration and cues from the worlds of Biology and Physics to arrive at new thinking around software development, design and architecture.

Yuri Minaev joins Timur and Phil. Yuri talks to us about static analysis and how PVS Studio helps. Then we chat about his work on a custom C++ parser, and what challenges he's encountered.

Phil and Timur are joined by a live audience at CppCon as we chat about Safety in C++, AI and the running of CppCast itself.

Benjamin Summerton joins Timur and Phil. Ben talks to us about what led him to benchmark the impact of the final and noexcept keywords, how to interpret his results, and the project that inspired him to do so in the first place.

Sándor Dargó joins Phil and Anastasia Kazakova. Sándor talks to us about why and how to reduce the final binary sizes your code produces, as well as the importance of clean code.

Doug Gregor joins Phil and Kevin Carpenter. Doug talks to us about his work on Swift at Apple, what the language is like and how it can interoperate with C++.

Luigi Ballabio joins Phil and Matt Godbolt. Luigi talks to us about QuantLib, an open-source library for financial models that he co-founded and now maintains.

Jessica Wong and Ian Petersen join Timur and Phil. Ian and Jessica talk to us about libunifex and other async code projects at Meta, how it has evolved in the proposed std::execution and what structured concurrency is.

Zach Laine joins Phil and Timur. Zach talks to us about the Boost collection of libraries, his contributions to it, a little of its history and where it's going, and a new project that aims to get back to Boost's original roots.

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.

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.

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.

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.

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.

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.

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.

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++.

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.

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.

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.

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.

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.

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.

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++.

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.

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++.

Dmitry Kozhevnikov joins Timur and guest co-host Matt Godbolt. Dmitry talks to us about how the CLion IDE works under the hood.

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.

Tristan Brindle joins Timur and Phil. Tristan talks to us about a safer alternative to iterators and his library, Flux, that implements it.

Joshua Berne joins Phil and Timur. Joshua talks to us about the previous week's ISO C++ meeting in Varna, Bulgaria, then focuses on the current state of the contracts proposal that he has been central to, as well as a bit of its history.

Daniel Ruoso joins Phil and Timur. After covering a couple of blog posts and a new UI library, we welcome Daniel back to talk with us about modules, package and build systems and SG15, the tooling study group. We also revisit the Ecosystem International Standard.

Antony Peacock joins Timur and Phil. After rounding up the news, we chat with Antony about what it's like to work in finance as a C++ developer, the similarities and differences to games dev and how you can break in to a role in finance. We also discuss what it's like to work in tech as someone with dyslexia.

Luis Campos joins Phil and Timur. After some compiler and language news, we chat with Luis about the recent Conan 2.0 release, the state of package management in C++, today and what's happening in the world of C++ standards that may impact it in the future.

Ashot Vardanian joins Timur and Phil. After some conference updates, news about the ISO C++ Developer Survey, Sonar integration in Compiler Explorer and some posts on modules and performance, we chat with Ashot Vardanian about AI and the infrastructure that underpins it. Ashot talks to us about some of the libraries and tools he and his startup have been developing over the past few years with some impressive numbers behind them.

Herb Sutter joins Phil and Timur. We catch up on the news about LLVM 16 being released, a new book on initialisation in C++ and a couple of new user groups. Then we talk to Herb about his new language/ alternate syntax, Cpp2, which compiles down to C++ in much the same way that C with Classes compiled down to C.

Andreas Weis joins Timur and Phil. After some news about Boost, std::format and performance, Andreas talks to us about safety critical application domains, safety in C++ in general, and the difference between safety in security.

Richard Smith joins Timur and Phil. After the usual news round-up, we chat with Richard about the new C++ successor language, Carbon. Richard is one of the three lead contributors to Carbon and he discusses the philosophy and some of the special features that make Carbon different.

Nina Ranns joins Timur and Phil. After community news, including conferences, a new C++ community in Africa and a new project manager and build system, we talk to Nina about the recent ISO committee meeting in Issaquah where the technical work on C++23 was finalised, as well as an inside look at how the committee works and Nina's current project: allocator-friendly library types that don't allocate.

Mike Daum joins Phil and Timur. After some community news, including the state of modules support in CMake and a new compile-time parsing library inspired by Rust's macros, we talk to Mike about CppNorth - what it is, how it got started and what makes it different - then about company cultures, a new language from Epic, and the importance of catering to 'Dark Matter Developers'.

Dimi Racordon joins Timur and Phil. They first have a couple more conference speaker calls, a new C++20 test framework, and and some updates about Safety in C++ and the C++ successor languages announced last year. Then they talk to Dimi Racordon about the new language, Val, how it relates to C++, and why mutable value semantics are so powerful.

Honey Sukesan joins Phil and Timur. They first have a couple more conference announcements, an update on Cpp2 and a round-up of C++ in 2022. Then they talk to Honey Sukesan about her journey from working in Healthcare to working in the Automotive industry, and some of the surprising overlaps - as well as her personal journey during along the way.

Rob and Jason are back, at least for the holidays, and are joined by Timur Doumler and Phil Nash to talk about some of their recent news, and a super secret new project they are working on together.

Rob and Jason discuss various news articles, libraries and announcements.

Joel de Guzman joins Rob and Jason. They first talk about new features in GCC 12 and the latest ISO papers. Then they talk to Joel de Guzman about his history with Open Source and the Boost community, the Elements GUI library and his work with audio software and hardware.

Mark Hoemmen joins Rob and Jason. They first talk about an debugging improvements in VS Code and C++20/23 features going into MSVC. Then they talk to Mark Hoemmen about his past work on linear algebra libraries Tpetra and Kokkos, and current efforts to get linear algebra into the standard.

Dirk Eddelbuettel joins Rob and Jason. They first talk about an updated C++ web framework, and whether C should be considered a programming language or a protocol. Then they talk to Dirk about the R programming language, and RCPP the R/C++ interop library.

Diana Ojeda from Intel and Stephanie Brenham from Ubisoft join Rob and Jason. They first talk about the upcoming Pure Virtual C++ conference, an update to WxWidgets and Apple's release of a Metal interface for C++. Then they talk to Diana and Stephanie about the upcoming CppNorth conference, how they got involved and much more.

Rainer Grimm joins Rob and Jason. They first talk about a new implementation of the ninja build system and updates to Qt Creator and CMake. Then they talk to Rainer Grimm about his mentorship program, and history of teaching C++.

Logan Kilpatrick joins Rob and Jason. They first talk about a GDB frontend and an IDE like autocompletion tool for the terminal. Then they talk to Logan Kilpatrick about the Julia programming language. They discuss the origin of the language, and where it fits in today amongst other languages in the scientific computing domain.

Andrew Kelley joins Rob and Jason. They first say Happy 25th Birthday to Visual Studio and discuss a tool for parsing GCC error logs. Then they talk to Andrew Kelley, the president of the Zig Software Foundation. He talks about the Zig language, upcoming changes to its build tooling, and how Zig can be used with C and C++.

Dave Abrahams joins Rob and Jason. They first talk about JeanHeyd Meneid's blog post on saving C's ABI. Then they talk to Dave about his history as a founding contributor of boost and the current workgroup he is a part of to enable bidirectional interop between swift and C++.

René Ferdinand Rivera Morell joins Rob and Jason. They first talk about a new cmake initialization project and some projects in the C++ show and tell. Then they talk to René about his open letter to the C++ committee about expanding its scope to include tooling and other related technologies.

Robert Seacord joins Rob and Jason. They first talk about a constexpr wordle game and constexpr unique_ptr being added to the standard. Then they talk to Robert Seacord about secure coding and his thoughts on integers.

Khalil Estell joins Rob and Jason. They first talk about Matt Godbolt's recent keynote at CPPP on C++'s Superpower. Then they talk to Khalil about teaching C++ embedded development and some of his thoughts on embedded development, including why not to avoid runtime polymorphism.

Howard Butler joins Rob and Jason. They first talk about an announcement from Swift on a C++ interoperability workgroup. Then they talk to Howard Butler about the C++ Geospatial libraries GDAL and PDAL, and his involvement with geospatial development.

Yacob Cohen-Arazi joins Rob and Jason. They first talk about an update to Microsoft's GSL library and the upcoming LLVM v14. Then they talk to Kobi about work he's done at Qualcomm with 5G networks and how 5G is about a lot more then just bandwidth improvements.

Brian Kernighan joins Rob and Jason. They first talk about the pros and cons of virtual teaching and training during COVID times, and the news that BOLT has been merged into LLVM. Then they talk to Brian about the history of UNIX and C development at Bell Labs.

Yacob Cohen-Arazi joins Rob and Jason. They first talk about the first ISO mailing of the year and some upcoming conference dates. Then they talk to Yacob about his experience building and running docker containers for C++ software development and his work updating code examples for an upcoming C++ Object Oriented book.

Marit Tokle and Christian Ressell join Rob and Jason. They first talk about a Y2K like bug that unexpectedly hit us in the new year. Then they talk about binary exploits, why they're still relevant, and a particular binary exploit that Marit and Christian demonstrated during their recent talk at NDC Techtown. They also talk about 'Capture The Flag' security competitions.

Rob and Jason are joined by Piotr Winter. They first talk about include guards vs pragma once, testing for constexpr and the preview of Catch v3. Then they talk to Piotr Winter about CTPG, the C++ Compile Time Parser Generator.

Rob and Jason are joined by Slobodan Dmitrovic. They first talk about the latest update to the {fmt} library, another Raymond Chen blogpost, and a summary of ISO standardization progress made in 2021. Then they talk to Slobodan about his new book Modern C for Absolute Beginners.

Rob and Jason discuss various news articles, libraries and announcements on the last episode of 2021 before the new year.

Rob and Jason are joined by Daniel Ruoso and Bret Brown from Bloomberg. They first talk about Jason's new Object Lifetime Puzzle book and a blost post from Kevlin Henney on Agile processes. Then they talk to Daniel and Bret about their research into using Modules at Bloomberg, and some of the changes still needed from compilers and build systems to use Modules in large scale software development.

Rob and Jason are joined by Kate Gregory and Guy Davidson. They first talk about a free online game development course and updates to CLion. Then they talk to Kate and Guy about their upcoming book: Beautiful C++: 30 Core Guidelines for Writing Clean, Safe, and Fast Code.

Rob and Jason are joined by Adrian Ostrowski and Piotr Gaczowki. They first talk about profiling tools and reverse iterators. Then they talk to Adrian and Piotr about their book on C++ Software Architecture, and what all C++ developers can learn from it.

Rob and Conor are joined by Daisy Hollman. They first talk about C++23's approaching feature freeze including Daisy's work on the mdspan proposal. Then they talk to Daisy about her recent 'too cute' CppCon talk and whether you should be writing cute code in production.

Rob and Jason are joined by Gašper Ažman. They first talk about some resources for learning C++ and learning how to work on the LLVM compiler. Then they talk to Gašper about the Deducing This feature coming to C++23, how the feature worked its way through the ISO committee and what it will change.

Rob and Jason are joined by Sy Brand from Microsoft. They first talk about the recent CppCon conference, the hybrid format and some of their favorite talks. Then they talk to Sy about the upcoming Visual Studio 2022 release, what's new in the IDE and new features and improvements for C++ developers.

Rob and Jason are joined by Bryce Adelstein Lelbach. They first talk about SonarLint analysis, and searching algorithm performance and an observation on compiler diversity. Then they talk to Bryce about the proposals that are heading for C++23, including major changes to the executor and networking proposals.

Rob and Jason are joined by Hal Finkel from the US Department of Energy. They first talk to Hal about the LLVM 13 release and why the release notes were lacking. Then they talk to Hal about his C++ JIT Proposal, the Clang prototype and how it could be used. They also talk about Hal's work at DOE, Exascale computing and more.

Rob and Jason are joined by Joël Falcou and Denis Yaroshevskiy. They first talk about the 6.2 release of Qt and the range-based for loop bug that won't be getting fixed in C++23. Then they talk to Joel and Denis about EVE, a C++20 SIMD library that evolved from Boost.SIMD.

Rob and Jason are joined by Brandon Duick and Billy Sisson from Exyn Technologies. They first discuss the upcoming CppCon hybrid conference and a new tuple library for C++20. Then they talk to Brandon and Billy about the autonomous UAS/Drone software they work on at Exyn Technologies.

Rob and Jason are joined by Remi Coulom from Kayufu. They first discuss another blog posts about the ongoing ABI problems in C++ and another on common mistakes with comparison functions. Then they talk to Remi about Joedb, the Journal-Only Embedded Database.

Rob and Jason are joined by Amir Kirsh and Avi Lachmish from Incredibuild. They first discuss Idle, a new C++ framework, the September ISO mailing and an Algorithm Intuition Chart. Then they talk to Amir and Avi about the recent CoreCpp conference, Bjarne's keynote and other talks from the conference.

Rob and Jason are joined by Bob Nystrom from Google. They first discuss git commands explained via cats and an analysis of how Visual Studio 2022 could use all your RAM. Then they talk to Bob about some of the programming languages he's created, his two books 'Crafting Interpreters' and 'Game Programming Patterns' and his work on the Dart programming language at Google.

Rob and Jason are joined by Phil Nash. They first discuss another C++ podcasts interview with Sean Parent and a blog post from Bungie on their process for creating coding guidelines. Then they talk to Phil Nash about his new role at Sonar Source, his podcasts, C++ On Sea and more.

Rob and Jason are joined by Linus Groh. They first discuss a new feature of Compiler Explorer and some ISO papers. Then they talk to Linus about his involvement in the Serenity project, learning C++ as he became a contributor.

Rob and Jason are joined by Matt McCormick from Kitware. They first discuss a blog post on using C++20 modules with GCC11 and Qt Multimedia support in Web Assembly. Then they talk to Matt about the history of Insight Toolkit, some of its applications and its role in the origin of CMake.