Just because I'm using a C++17 compiler doesn't mean I'm happy with the standard library. I still have to google every time I need to sleep the current thread

Just because I'm using a C++17 compiler doesn't mean I'm happy with the standard library. I still have to google every time I need to sleep the current thread ; and don't get me started on iostream! However, I'm happy to be able to return a buffer without copying it (move semantics), to precompute frequency tables at compile time (constexpr), to be able to pass around functions without having to create a dedicated class (lambdas), not to have to worry about having an extra conversion (auto) ... And soon, I will be happy to write serialization code without relying on dirty tricks (introspection).