Question

How to use operator int() to convert object to integer in C++

Answer 1

#include <iostream>

using std::cout;
using std::endl;

class Test {
	int a, b;
public:
	Test(int _a, int _b) {
		a = _a;
		b = _b;
	}
	operator int() {
		return a + b;
	}
};

int main()
{
	Test o1(6, 8), o2(3, 5);

	int result = o1;                 
	cout << result << endl;

	result = 90 + o2;           
	cout << result << endl;

	return (0);
}


/*
run:

14
98

*/

 

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