CppCast

By Jason Turner & Mathieu RopertNews Technology Tech News

CppCast episodes

June 23, 2023Contracts
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.
News
ISO C++ trip report's from Varna:
Herb Sutter's trip report
Jonathan Müller's trip report
GCC 14 NRVO enhancements (Reddit)
P2025 proposes guaranteed NRVO
How to get NRVO before C++26
XCode 15 beta
Links
P2831 - "Functions having a narrow contract should not be noexcept"
P2521 - The current contracts MVP
P2695 - "A proposed plan for Contracts in C++"
P2811 - "Contract-Violation Handlers"
P2834 - "Semantic Stability Across Contract-Checking Build Modes"
P2877R0 - "Contract Build Modes, Semantics, and Implementation Strategies"
P2751 - "Evaluation of Checked Contract-Checking Annotations"
P2552 - "On the ignorability of standard attributes"
p2786 - "Trivial relocatability options"
P2839 - "Nontrivial Relocation via a New owning reference Type"
P0843R8 - "inplace_vector"
1 hr 12 min
June 09, 2023Modules and build systems
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.
News
Modern C++ In-Depth — Is string_view Worth It?
How to check if a pointer is in a range of memory - Raymond Chen
Nui - new C++ Webview UI library
Nui on Reddit
Timur's Undefined Behaviour survey
Links
P2898R0 - "Importable Headers are Not Universally Implementable"
"Clang Automated Refactoring for everyone with clangmetatool" - Daniel's C++ Now 2019 talk
P1689R5 - "Format for describing dependencies of source files" (Kitware)
1 hr 8 min
May 26, 2023C++ in Finance
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.
News
Visual Studio 17.6 released
Valgrind 3.21 released
Snitch 1.1
Meeting C++ Call for Speakers (until June 18)
CppCon Call for Speakers (until June 25)
Links
P2547R1 - "Language Support for Customisable Functions"
Maven on C++
"How to get into the tech industry" (Maven's blog)
Interview question at Maven
"C++ 20 Techniques for Algorithmic Trading" (webinar)
"C++ Concepts and Fireside Chat on Algorithmic Trading" (webinar)
"C++ and Python for Algorithmic Trading" (webinar)
Example algo trading code from webinar series (1)
Example algo trading code from webinar series (2)
Antony's article on Neurodiversity and Dyslexia
Diversita (UK)
P0201R6 - "polymorphic_value: A Polymorphic Value Type for C++"
P1950R2 - "indirect_value: A Free-Store-Allocated Value Type For C++"
EVE - the Expressive Vector Engine
P1385R7 - "Linear Algebra"
P1935R2 - "A C++ Approach to Physical Units"
mp-units - Mateusz Pusz' implementation of physical units
P2547R0 - "Language support for customisable functions"
"Why tag_invoke is not the solution I want" - Barry Revzin
55 min
May 12, 2023Conan 2.0
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.
News
GCC 13 released
CppFront "spring update"
Mojo - a new language with Python-like syntax but runs like C++
CrabLang - a fork of Rust
Timur's Undefined Behaviour survey
Links
Conan 2.0
P2656R2 - "C++ Ecosystem International Standard"
Conan on Twitter
"A Lock-free Atomic shared_ptr" - Timur's C++ Now 2022 talk
"Advanced Dependencies Model in Conan 2.0" - Diego's ACCU 2022 talk
59 min
May 11, 2023Conan 2.0
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.
Show Notes News

GCC 13 released

CppFront "spring update"

Mojo - a new language with Python-like syntax but runs like C++

CrabLang - a fork of Rust

Timur's Undefined Behaviour survey

Links

Conan 2.0

P2656R2 - "C++ Ecosystem International Standard"

Conan on Twitter

"A Lock-free Atomic shared_ptr" - Timur's C++ Now 2022 talk

"Advanced Dependencies Model in Conan 2.0" - Diego's ACCU 2022 talk
59 min
April 28, 2023AI Infrastructure
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.
News
Core C++ (Israel) - 5th-8th June
Meeting C++ 2023 - 12th-14th November
C++ Now 2023 - 7th-12th May
C++ on Sea 2023 schedule announced - 27th-30th June
CppNorth - 17th-19th July
2023 ISO C++ Developer Survey
"Sonar ❤️ Compiler Explorer: Write clean C++ code inside your browser"
"C++20 modules in clang"
"Horrible Code, Clean Performance"
Links
Unum (Ash's AI research company)
Unum repos on GitHub
Cpp Armenia User Group
1 hr 11 min
April 14, 2023Native Languages (programming and natural)
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.
News
CLion 2023.1 released
Qt Creator 10 released
Buck2 released
"A leaner in libstdc++ for GCC 13"
Links
Timur's three-question Undefined Behaviour survey
CppAfrica on Twitter
CppAfrica on Discord
54 min
April 11, 2023 Native Languages (programming and natural)
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.
54 min
March 31, 2023Cpp2, with Herb Sutter
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.
News
LLVM 16.0.0 released
"C++ initialisation story" - a new book by Bartlomiej Filipek
New user group forming in Prague - Miloš Anđelković
New user group forming in Helsinki - Timur Doumler
Links
CppFront - the compiler for Cpp2
"Can C++ be 10x Simpler & Safer?" - Herb's CppCon keynote introducing Cpp2 and CppFront
1 hr 11 min
March 17, 2023Safety Critical 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.
News
Boost libraries may drop support for older language versions
"Fun with printing tables with std::format and C++20" - Bartlomiej Filipek
"C++20 Formatting Library, Parts 1. 2 and 3" - Gajendra Gulgulia
"Decreasing the Number of Memory Accesses, 1/2" - Ivica Bogosavljevic
using std::cpp (conference in Madrid)
Links
MUC++ (The Munich C++ User Group)
ComicSansMs - Andreas on StackOverflow
The EU's Cyber Resilience Act
"Why not simply implement borrow checking in C++?" - Sean Baxter on Twitter
P2771R0 - "Towards memory safety in C++"
"Rust Safety is not superior to C++" - Bjarne Stroustrup
P2739R0 - "A call to action: Think seriously about 'safety'; then do something sensible about it"
P2759R1 - "DG Opinion on safety for ISO C++"
P2723R1 - "Zero-initialize objects of automatic storage duration"
D2795R0 - "Correct and incorrect code, and 'erroneous behaviour'"
P2809R0 - "Trivial infinite loops are not Undefined Behavior"
MISRA
1 hr 12 min