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An abstract base class (abbreviated to 'ABC') is a
type of abstract class
and a type of base class.
'An abstract base class is a class
from which no objects may be created; it is only used as a
base class for the derivation
of other classes. A class is abstract
if it includes at least one member function
that is declared as pure virtual.' [2]
-
Use an abstract base class to represent something common to some, but not all, classes in a hierarchy [1]
- Bjarne Stroustrup. The C++ Programming Language (4th edition). 2013. ISBN: 978-0-321-56384-2. Chapter 21.4. Advice. page 640: '[10] Use a virtual base to represent something common to some, but not all, classes in a hierarchy'
- Joint Strike Fighter Air Vehicle C++ Coding Standards for the System Development and Demonstration Program. Document Number 2RDU00001 Rev C. December 2005. 4.3.1: 'An abstract base class is a class from which no objects may be created; it is only used as a base class for the derivation of other classes. A class is abstract if it includes at least one member function that is declared as pure virtual.'
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