C++ Primer, Fifth Edition

15.7.2. Synthesized Copy Control and Inheritance

The synthesized copy-control members in a base or a derived class execute like any other synthesized constructor, assignment operator, or destructor: They memberwise initialize, assign, or destroy the members of the class itself. In addition, these synthesized members initialize, assign, or destroy the direct base part of an object by using the corresponding operation from the base class. For example,

• The synthesized Bulk_quote default constructor runs the Disc_Quote default constructor, which in turn runs the Quote default constructor.

• The Quote default constructor default initializes the ...