Even though overuse of getter and setter functions can be frowned upon, they can help a lot if you’re looking to provide a intuitive api. However the overhead the additional function call introduces is undesirable. Thankfully, there’s the inline keyword. It tells the compiler to replace each invocation of the function with the body of the function. struct Foo { int m_number = 123; inline int number () { return m_number; } }; int main () { Foo foo; // used like a regular function std::cout...
