Operator Overloading, Templates, & Containers

Question 1

Operator Overloading

Answer 1

Providing an additional definition for an operator. It is declared using the keyword operator followed by the symbol for the operator being overloaded.

Question 2

Operator Overloading Rules

Answer 2

1. Binary operators can be defined by either having a member function take one argument or a global function taking two arguments.
2. For any binary operator @, a@b can be interpreted as a.operator@(b) or operator@(a, b).
3. Unary operators can be defined by either a member function taking no arguments or a global function takin gone argument.
4. For any unary operator @, @a can be interpreted as a.operator@() or operator@(a).
5. For any postfix unary operator @, a@ can be interpreted as a.operator@(int) or operator@(a, int)