Question

How to declare read only method in class with C++

Answer 1

#include <iostream>

class Test {
private:
	int m_X;
public:
    void setX(int x)  {
		m_X = x;
	}
	int getX() const {
	    // m_X = 10; // error: assignment of member ‘Test::m_X’ in read-only object
		return m_X;
	}
};

int main() {
	Test t;
	
	t.setX(8457);

	std::cout << t.getX();
}





/*
run:

8457

*/

 

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