1. Bracket Operator

2. Code Trace // main.cpp ... int main() { Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }

3. Code Trace main:: f m_Numerator: 3 m_Denominator: 4 // main.cpp ...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
m_Numerator: 3
m_Denominator: 4

4. Code Trace main:: f m_Numerator: 3 m_Denominator: 4 // main.cpp ...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
m_Numerator: 3
m_Denominator: 4

5. Code Trace main:: f operator[]::index m_Numerator: 3 m_Denominator: 4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
operator[]::index
m_Numerator: 3
m_Denominator: 4 5

6. Code Trace main:: f operator[]::index m_Numerator: 3 m_Denominator: 4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
operator[]::index
m_Numerator: 3
m_Denominator: 4 5

7. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4 4

8. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 _4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4 _4

9. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 _4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4 _4

10. Code Trace main:: f output buffer operator[]::index m_Numerator: 3
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
operator[]::index
m_Numerator: 3
m_Denominator: 4 _4 1

11. Code Trace main:: f output buffer operator[]::index m_Numerator: 3
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
operator[]::index
m_Numerator: 3
m_Denominator: 4 _4 1

12. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 4_4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4
4_4

13. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 _4_4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4
_4_4

14. Code Trace main:: f output buffer m_Numerator: 3 m_Denominator: 4 _4_4
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
m_Numerator: 3
m_Denominator: 4
_4_4

15. Code Trace main:: f output buffer operator[]::index m_Numerator: 3
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
operator[]::index
m_Numerator: 3
m_Denominator: 4
_4_4

16. Code Trace main:: f output buffer operator[]::index m_Numerator: 3
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
operator[]::index
m_Numerator: 3
m_Denominator: 4
_4_4

17. Code Trace main:: f output buffer operator[]::index m_Numerator: 3
// main.cpp
...
int main() {
Fraction f(3,4);
cout<<f[0]<<“ ”<<f[1]<<“ ”<<f[5];
// fraction.cpp
int Fraction::operator [] (const int index)
    return (index==0 ? m_Numerator : m_Denominator); }
main:: f
output buffer
operator[]::index
m_Numerator: 3
m_Denominator: 4
3_4_4

18. Overloaded Wookie

19. End of Session