Quote: a virtual function defines an interface to yet-to-be-defined classes, and it depends on yet-to-be defined classes

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making a function virtual critically affects the use … with even a single virtual function have a … a single virtual function potentially acts as the … [p. 407] "If a member of a base class … for its own implementation. Similarly, if a class … implementation. … [p. 408] The specification of the expected behavior of …   Google-1   Google-2

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Quote: when designing a class, it is important to specify the expected behavior of virtual functions

Related Topics

Topic: abstract functions (11 items)
Topic: requirement specification by behaviors (16 items)