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Can a copy constructor accept an object of the same class as parameter, instead of reference of the object?

April 26, 2017class constructor copy object parameter Reference

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Can a copy constructor accept an object of the same class as parameter, instead of reference of the object?

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No. It is specified in the definition of the copy constructor itself. It should generate an error if a programmer specifies a copy constructor with a first argument that is an object and not a reference.