Smalltalk-80: the language and its implementation
Smalltalk-80: the language and its implementation
The design and implementation of distributed Smalltalk
OOPSLA '87 Conference proceedings on Object-oriented programming systems, languages and applications
Extending ordinary inheritance schemes to include generalization
OOPSLA '89 Conference proceedings on Object-oriented programming systems, languages and applications
Type substitution for object-oriented programming
OOPSLA/ECOOP '90 Proceedings of the European conference on object-oriented programming on Object-oriented programming systems, languages, and applications
Conformance, Genericity, Inheritance and Enhancement
ECOOP '87 Proceedings of the European Conference on Object-Oriented Programming
Teaching Object-Oriented Programming Is More than Teaching Object-Oriented Programming Languages
ECOOP '88 Proceedings of the European Conference on Object-Oriented Programming
Integrating Independently-Developed Components in Object-Oriented Languages
ECOOP '93 Proceedings of the 7th European Conference on Object-Oriented Programming
The cognitive consequences of object-oriented design
Human-Computer Interaction
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Smalltalk-80 obtains some of its expressive power from arranging classes in a hierarchy. Inheritance is an important aspect of this hierarchy. An alternative organization of classes is proposed that emphasizes description instead of inheritance. This alternative can be used with compile-time type checking and retains the important characteristics of Smalltalk's hierarchy.