Method self4

tests/test_methods_and_attributes.cpp:64–64

return by const reference

    ExampleMandA &self2() { return *this; }             // return by reference
    const ExampleMandA &self3() const { return *this; } // return by const reference
    ExampleMandA *self4() { return this; }              // return by pointer
    const ExampleMandA *self5() const { return this; }  // return by const pointer

    int internal1() const { return value; }        // return by value