[over.unary] (original) (raw)

12 Overloading [over]

12.4 Overloaded operators [over.oper]

12.4.2 Unary operators [over.unary]

A prefix unary operator functionis a function named operator@for a prefix unary-operator @ ([expr.unary.op]) that is either a non-static member function ([class.mfct]) with no non-object parameters or a non-member function with one parameter.

If a member function is selected, the expression is interpreted as

Otherwise, if a non-member function is selected, the expression is interpreted as

[Note 2:

The unary and binary forms of the same operator have the same name.

Consequently, a unary operator can hide a binary operator from an enclosing scope, and vice versa.

— _end note_]