Friend Function Access

#include <iostream>
#include <cstdint>
using namespace std;

class Register8 {
private:
    uint8_t value;
public:
    void setValue(uint8_t v) { value = v; }

    friend void printRegister (const Register8& r);

        // your code here: declare a friend function printRegister(const Register8& r)

};
    void printRegister (const Register8& r) {
        cout<< "Register value = "<<(int)r.value<< endl;
    }

// your code here: implement printRegister that prints "Register value = <value>"

int main() {
    Register8 r;
    r.setValue(170);
    printRegister(r);
    return 0;
}