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Thank you both laser light & Adrian - for taking time to give me answers that have helped me to resolve this problem.

The function is passed a reference that is represented by n. It doesn’t return anything. That’s seems simple enough.

I’m not trying to learn about functions. I just asked for help with a class...

The errors are longer than the program code:


exercise2.cpp:17:19: error: C++ requires a type specifier for all declarations
void read_ages(&name, n) // member function
^...

#include "std_lib_facilities.h"


class name_pairs
{
public:
double age;
string name;