Answers for "operator overloading in c++ <<"

C++
1

c++ overload operator

#include <iostream>

class ExampleClass {
  public:
    ExampleClass() {}
  	ExampleClass(int ex) {
      example_ = 0;
    }
    int&       example()        { return example_; }
    const int& example() const  { return example_; }
  	//Overload the "+" Operator
  	ExampleClass operator+ (const ExampleClass& second_object_of_class) {
    	ExampleClass object_of_class;
    	object_of_class.example() = this -> example() + second_object_of_class.example();
    	return object_of_class;
  	}
  private:
  	int example_;
};

int main() {
  ExampleClass c1, c2;
  c1.example() = 1;
  c2.example() = 2;
  ExampleClass c3 = c1 + c2;
  //Calls operator+() of c1 with c2 as second_object_of_class
  //c3 gets set to object_of_class
  std::cout << c3.example();
}
Posted by: Guest on February-06-2021
2

operator overloading in c++

Box operator+(const Box&);
Posted by: Guest on September-02-2020
3

operator overloading in c++ <<

ostream &operator<<(ostream &output, const MyClass &myObject)
{ 
  output << "P : " << myObject.property;
  return output;            
}
Posted by: Guest on November-17-2020
0

overload the >> operator in c++

istream &operator>>( istream  &input, Class_Name &c )
Posted by: Guest on December-01-2020
1

c++ overload < operator

struct Foo
{
    double val;
    friend bool operator<(const Foo& l, const Foo& r)
    {
      	//Custom comparison for l < r goes here
        return l.val < r.val; 
    }
};
Posted by: Guest on March-16-2021
-1

operator ++ overloading c++

class Point
{
public:
	Point& operator++() { ... }		// prefix
	Point operator++(int) { ... }	// postfix
  	friend Point& operator++(Point &p);			// friend prefix
  	friend Point operator++(Point &p, int);		// friend postfix
  	// in Microsoft Docs written "friend Point& operator++(Point &p, int);"
};
Posted by: Guest on August-15-2020

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