Exactly, this is very old C++ on display in this article. It’s certainly not as safe as a language like Rust, but quite a lot of undefended behavior and things

Exactly, this is very old C++ on display in this article. It’s certainly not as safe as a language like Rust, but quite a lot of undefended behavior and things that will shoot yourself in the foot have been changed over the last 10 years. Most C++ today will be immediately obvious and not accidentally mixed up with C.