Name 

Description 

Overloading The Assignment operator = 

The assignment operator=( ) can be overloaded by declaring a nonstatic member function. For example,  

Overloading Binary Operators 

You can overload a binary operator by declaring a nonstatic member function taking one argument, or by declaring a non-member function (usually friend) taking two arguments. If @ represents a binary operator, x@y can be interpreted as either x.operator@(y) or operator@(x,y) depending on the declarations made. If both forms have been declared, standard argument matching is applied to resolve any ambiguity. 

Overloading The Class Member Access Operators -> 

Syntax  

Overloading The Function Call Operator ( ) 

Syntax  

Overloading Operator Functions 

Operator functions can be called directly, although they are usually invoked indirectly by the use of the overload operator:  

Overloaded Operators And Inheritance 

With the exception of the assignment function operator =( ), all overloaded operator functions for class X are inherited by classes derived from X, with the standard resolution rules for overloaded functions. If X is a base class for Y, an overloaded operator function for X could possibly be further overloaded for Y. 

Overloading The Subscript Operator [] 

Syntax  

Overloading Unary Operators 

You can overload a prefix or postfix unary operator by declaring a nonstatic member function taking no arguments, or by declaring a nonmember function taking one argument. If @ represents a unary operator, @x and x@ can both be interpreted as either x.operator@() or operator@(x), depending on the declarations made. If both forms have been declared, standard argument matching is applied to resolve any ambiguity.

• Under C++ 2.0, an overloaded operator ++ or -- is used for both prefix and postfix uses of the operator.
• With C++ 2.1, when an operator ++ or operator -- is declared as a member... more