
CppCast
Every two weeks, or so, we sit down with guests from the C++ community to discuss the latest news and what they have been up to. Find us at cppcast.com
Latest episodes

Dec 24, 2020 • 1h 1min
TurtleBrowser
Rob and Jason are joined by Patricia Aas from TurtleSec. They first talk about updates to a Web Assembly compiler Cheerp and an announcement for a new systems programming language conference. Then they talk to Patricia about her current project building a new web browser using modern C++, Qt 5 and the Chromium engine. They also discuss Patricia's consulting business and managing it during the pandemic.
News
Pointers are Complicated II, or: We need better language specs
Cheerp 2.6 - compiling C++ to WebAssembly and JavaScript
Why Another C++ (And More) Conference
Links
TurtleBrowser on GitHub
Trying to build an Open Source browser in 2020 - Patricia Aas
TurtleSec
Sponsors
Visual Assist

Dec 17, 2020 • 56min
SerenityOS
Rob and Jason are joined by Andreas Kling. They first talk about the Qt 6.0 Release as well as another new C++ podcast that has been announced. They then talk to Andreas Kling about SerenityOS, the C++ Operating System he is building along with others in the Open Source community.
News
Qt 6.0 Released
How to Make an Operating System using C++
New Channel from the JetBrains crew
C++20 Published
Links
SerenityOS
Serenity on GitHub
Andreas Kling's YouTube
Sponsors
Visual Assist

Dec 10, 2020 • 56min
Virtual Teaching and Plenary
Rob and Jason are joined by Patrice Roy. They first talk discuss JeanHeyd Meneide's blog post regarding ABI breakage in C and C++. Then they talk to Patrice Roy about his experience teaching C++ during the COVID pandemic, the first ISO Virtual Plenary and more.
Transcript
CppCast 277: Virtual Teaching and Plenary from PVS Studio
News
A Special Kind of Hell - intmax_t in C and C++
Lexy
Clion 2020.3 Released
Links
Some Things C++ Does Right - Patrice Roy - CppCon 2020
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project

Dec 3, 2020 • 56min
Networking TS
Rob and Jason are joined by Robert Leahy. They first talk about an open source flappy bird clone and the C++ framework it was built with. Then they talk to Robert Leahy about the Networking TS that will hopefully be a major feature of C++23.
Transcript
CppCast 276: Networking TS Transcript from PVS Studio
News
A Small Open Source Game in C++
The C++20 initialization flowchart
Error codes are far slower than exceptions
Beman Dawes has passed away
Links
The Networking TS from Scratch: I/O Objects - Robert Leahy - CppCon 2020
N3747 - A Universal Model for Asynchronous Operations
P2161 - Remove Default Candidate Executor
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Nov 27, 2020 • 1h 4min
Fuzz Testing on the GPU
Rob and Jason are joined by Artem Dinaburg and Ryan Eberhardt. They first talk about a new version of CMake that was just released, an interview with Bjarne Stroustrup and another month of new ISO papers. Then they talk to Artem and Ryan who talk about fuzz testing, including a new fuzz testing project being worked at Trail of Bits to enable fuzz testing on the GPU.
News
Cmake 3.19 available for download
How C++ became the invisible foundation for everything, and what's next
November Monthly Mailing
Links
Let's build a high-performance fuzzer with GPUs!
The Relevance of Classic Fuzz Testing: Have We Solved This One?
Vectorized Emulation: Hardware accelerated taint tracking at 2 trillion instructions per second
DeepState - Parameterized Unit Testing Framework
MCSema - Tool to translate binaries to LLVM bitcode
Remill - Library of CPU instruction semantics
Anvill - Tool to make translated bitcode look closer to what a compiler would emit
Rellic - Translates LLVM bitcode to C using Clang's AST library
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Nov 19, 2020 • 60min
Concepts and Algorithm Intuition
Rob and Jason are joined by Conor Hoekstra. They first talk about new and updated libraries in Boost and Herb Sutter's trip report covering news from the recent virtual ISO plenary meeting where the first new features were voted into C++23. Then they talk to Conor about some of his recent conference talks on Algorithm Intuition and Concepts vs typeclasses.
News
Butano: a modern C++ high level engine for the GBA
New Boost libraries in v1.75
Trip report: Autumn ISO C++ standards meeting (virtual)
Links
Conor's Conference Talks
ADSP: The Podcast
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Nov 12, 2020 • 60min
Video Games, Robotics and Audio
Rob and Jason are joined by Joël Lamotte. They first talk about C++20 Modules support in GCC and MSVC and a micro benchmarking library. Then they talk to Joël about how he got involved in C++, and his experiences working on indie video games, robotics and his recent transition to the audio industry working on a web assembly powered website.
News
P0847R5 Deducing This
C++20 Modules Compiler Code Under Review, Could still land for GCC 11
Criterion micro-benchmarking library
A Tour of C++ Modules in Visual Studio
Links
Best of Klaim's Music on Soundcloud
Glacierbound OST on Soundcloud
HomeTeam GameDev
Jellynote
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Nov 5, 2020 • 60min
Unicode Progress and C++/C Study Group
Rob and JeanHeyd are joined by Aaron Ballman and Peter Brett, both members of the ISO C++ committee. They first talk about an extension for Visual Studio and Visual Code for visualizing struct layout and a blog post proposing a safer boolean type. Then they talk about Aaron and Peter about progress being made at virtual ISO meetings and the upcoming virtual Plenary meeting.
News
StructLayout Visual C++ Extension
Fun with Concepts: Do You Even Lift, Bool?
Meeting C++: My thoughts on "The... Community?"
Links
ISO C++ October 2020 Mailing
P1787: Declarations and where to find them
WG21 SG16 Unicode study group
Editing the C Standard
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Oct 30, 2020 • 52min
ThinLTO
Rob and Jason are joined by Teresa Johnson from Google. They first discuss the Qt6 beta release and a blog post proposing range_ref, a lightweight view for ranges. Then they talk to Teresa about ThinLTO, the scalable and incremental Link Time Optimization built into LLVM.
News
Qt 6.0 Beta Released
Range_ref
Rob and Jason AMA
Links
ThinLTO
CppCon 2017: Teresa Johnson "ThinLTO: Scalable and Incremental Link-Time Optimization"
Meeting C++ 2020 - ThinLTO Whole Program Optimization: Past, Present and Future
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio: analyzing pull requests in Azure DevOps using self-hosted agents
Why it is important to apply static analysis for open libraries that you add to your project
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount

Oct 23, 2020 • 54min
Programming History, JIT Compilations and Generic Algorithms
Rob and Jason are joined by Ben Deane from Quantlab. They first discuss the 11.0 update of Clang and an a blog post highlighting some of the smaller features that were added in C++17. They then talk to Ben about some of his recent CppCon talks including one on what we can learn from the history of programming languages and another on the ability to JIT C++ code.
News
Clang 11.0.0 is out
17 Smaller but Handy C++17 Features
Links
Careers at Quantlab
Constructing Generic Algorithms: Principles and Practice - Ben Deane - CppCon 2020
Just-in-Time Compilation: The Next Big Thing? - Ben Deane & Kris Jusiak - CppCon 2020
How We Used To Be - Ben Deane - CppCon 2020
Sponsors
PVS-Studio. Write #cppcast in the message field on the download page and get one month license
PVS-Studio is now in Compiler Explorer!
Free PVS-Studio for Students and Teachers
Use code JetBrainsForCppCast during checkout at JetBrains.com for a 25% discount