FWIW, C++ has this really cool feature they call "exceptions", which is a language-level implementation of Result, try!, and ? that is automatically included as part of any function that would otherwise have to manually unwrap and pass along an error in languages like Rust; a really great bonus is that because the compiler has implemented this feature and abstracted it from the developer, in addition to it removing a lot of boilerplate from your code, it allows for an extremely fast table-based implementation they call "zero-cost exceptions" that can almost always completely eliminate the CPU cost of having to constantly check and forward error information.
> really cool feature
Arguable.
Yes, people are quite aware of that, and if you check the comments you'll see points made against it. Also, ? is very much language level.
Condescending sarcasm is unwarranted. People are well aware of what exceptions are, and the arguments against them amount to more than just performance.
I've implemented a Result-like error code construct in plenty of C++ projects and disabled exceptions precisely because I don't think they're a good way of handling error states in code.