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C++ | Constructors | Question 17

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  • Last Updated : 28 Jun, 2021

using namespace std;
class Test
   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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