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virtual function

   Also found in: Wikipedia 0.11 sec.

virtual function

In object technology, a function that has a default operation for a base class, but which can be overridden and perform a different operation by a derived class. A derived class inherits the attributes (data) and methods (processing) of a higher-level class.



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These optimizations automatically identify duplicate copies of templates, in-line functions, and virtual function tables, and remove them, resulting in up to a 30 percent reduction in application size.
If a class has a virtual function it shall have a virtual
 
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