If you think that using libraries to do things in C++ means they are "bolted on", then you don't understand C++. The entire design of C++ is to enable efficien

If you think that using libraries to do things in C++ means they are "bolted on", then you don't understand C++. The entire design of C++ is to enable efficient libraries for these kinds of things to be built. And it does, and has, and will continue to for decades more.