cpp-concepts/preAndPost.cpp at master · ranka47/cpp-concepts · GitHub

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/* */
#include <iostream>
using namespace std;
class complex
{
private:
	float r = 0, i=0;
public:
	complex operator ++ (int n)
	{
		complex t;
		t.r = 10.5;
		t.i = 20.5;
		cout<<"I am with argument with value: "<<n<<endl;
		return t;
	}
	complex operator ++ ()
	{
		complex t;
		t.r = 10.0;
		t.i = 20.0;
		cout<<"I am without argument"<<endl;
		return t;
	}
	void reset() { r = 0.0; i = 0.0; }

	void display()
	{
		cout << r <<" "<< i << " " << endl;
	}
};
int main()
{
	complex c1,c2,c3;
	cout << "Without argument increment operator\n";
	c1.display();
	c2 = ++c1;
	c2.display();
	c3 = c1.operator ++ ();
	c3.display();

	c1.reset();
	c2.reset();
	c3.reset();

	cout << "\nWith argument increment operator\n";
	c1.display();
	c3 = c1++;
	c1.display();
	c2 = c1.operator ++ (2);
	c2.display();
	c3.display();
	return 0;
}