lst-0009-godb.cpp
//#(compile) c++; compiler:g141; options:-O1 -std=c++23; libs:-
// https://godbolt.org/z/67EjhMf54
class Car {
public:
Car() : engine_{8} { } // initializes a car with 8 cylinders
void start() { engine_.start(); } // starts the car by starting the engine
private:
Engine engine_; // Car has-a engine
};