how to overload UNARY OPERATOR using FRIEND FUNCTIONS. please help me how to do it in case of a++ and ++a
how to overload UNARY OPERATOR using **FRIEND FUNCTIONS**.
 please help me how to do it in case of a++ and ++a.  
how to overload UNARY OPERATOR using FRIEND FUNCTIONS. please help me how to do it in case of a++ and ++a
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how to overload UNARY OPERATOR using **FRIEND FUNCTIONS**.
 please help me how to do it in case of a++ and ++a.  