If you have a good understanding of modern C++ then I don't think you'll find Rust that hard to learn. I think most people talking about a steep learning curve

If you have a good understanding of modern C++ then I don't think you'll find Rust that hard to learn. I think most people talking about a steep learning curve are probably coming from garbage collected languages. I've found Rust just formalises and gives the compiler the ability to check and enforce concepts already familiar to most C++ programmers confidante with move semantics, the lifetime of temporaries, etc. Deciphering errors from the borrow checker take some practice still but for C++ programmers used to deciphering template instantiation errors it's not so hard.