Method internal1

tests/test_methods_and_attributes.cpp:67–67

    const ExampleMandA *self5() const { return this; }  // return by const pointer

    int internal1() const { return value; }        // return by value
    int &internal2() { return value; }             // return by reference
    const int &internal3() const { return value; } // return by const reference
    int *internal4() { return &value; }            // return by pointer