lst-0003-book.cpp
// https://godbolt.org/z/4536hxvEK
int value = 42;
int& valueRef = value; // Reference; no address operator & needed
valueRef = 18; // no dereference operator * needed
cout << value << "\n"; // Output: 18
// https://godbolt.org/z/4536hxvEK
int value = 42;
int& valueRef = value; // Reference; no address operator & needed
valueRef = 18; // no dereference operator * needed
cout << value << "\n"; // Output: 18