How C++ reference works

Question

After working 15 years in C++ I found that I don\'t understand references completely...

class TestClass
{
public:
    TestClass() : m_nData(0)
    {
    }

    T         


        

Answer 1

1) you can't get not const reference to a temporary object

2) in the line c = TestClass(10); operator=(...) is called