Lessons learned from implementing the CORBA persistent object service
Proceedings of the 11th ACM SIGPLAN conference on Object-oriented programming, systems, languages, and applications
The VLDB Journal — The International Journal on Very Large Data Bases - Persistent object systems
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There are numerous times when a C++ user could benefit from a pointer variant that has more functionality than is provided by the basic, language-defined pointer. For example, type-accurate garbage collection, reference counting, or transparent references to distributed or persistent objects, might be implemented with classes that provide pointer functionality. The C++ language directly supports one kind of pointer substitute, the smart pointer, in the form of overloadable indirection operators: -