Operators that cannot be overloaded

1. member selection operator. A point in a class has a certain meaning for any member. However, if overloading is allowed, it is not possible to access members in a normal way, only with pointers and pointers operator->.

2. The member pointer indirectly refers to operator.*, because it is not overloaded with the same reason as operator.

3. No exponentiation is obtained.

4. There is no user-defined operator, that is, an operator that does not exist in the current set of operators cannot be written.

5. The priority rule cannot be changed.

Operators that cannot be overloaded