More things to make your classes work, and work well, especially putting parts of your programs in multiple files.
inline functions for efficiency
Consider the diagrams of what happens in function calls from Chapters 8 and 15. They show what the computer does. It creates a new copy of the function, an “activation record,” containing everything the instance of the function needs, especially local variables. It copies parameters into a part of memory the function can access. It stores what it needs to know about the function it was in (the state of the registers in the CPU – if you don’t know what ...
