(C++) Overloading

 

Overloading is to redefine a standard operator. The example below shows how to overload operator<<.

 

---

#include <iostream> struct MyClass {   MyClass(const int value) : mValue(value) {}   private:   const int mValue;   friend std::ostream& operator<<(std::ostream& os, const MyClass& myClass);   friend std::ostream& operator<<(std::ostream& os, const MyClass& myClass); }; std::ostream& operator<<(std::ostream& os, const MyClass& myClass) {   os << "MyClass.value: " << myClass.mValue;   return os; } int main() {   const MyClass myClass(13);   std::cout << myClass << '\n'; }