CPP
cpp
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#include <iostream>
using namespace std;
class test
{
public :
test() = default ;
test(const test& obj);
void display() const;
};
test::test(const test& obj)
{
cout << "copy ctor\n" ;
}
void test::display() const
{
cout << "Hi\n";
}
int main()
{
const test& t = test();
t.display();
return 0;
}
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