C++ | Constructors | Question 17

#include<iostream>
using namespace std;

class Test
{
public:
   Test(Test &t) { }
   Test()        { }
};

Test fun()
{
    cout << "fun() Called\n";
    Test t;
    return t;
}

int main()
{
    Test t1;
    Test t2 = fun();
    return 0;
}

(A) fun() Called
(B) Empty Output
(C) Compiler Error: Because copy constructor argument is non-const

Answer: (C)
Explanation: See following for details:

Why copy constructor argument should be const in C++?
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