Smalltalk-80: the language and its implementation
Smalltalk-80: the language and its implementation
SMALLTALK-80: the interactive programming environment
SMALLTALK-80: the interactive programming environment
Principles of programming languages: design, evaluation, and implementation (2nd ed.)
Principles of programming languages: design, evaluation, and implementation (2nd ed.)
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ACM Transactions on Programming Languages and Systems (TOPLAS)
The Smalltalk-76 programming system design and implementation
POPL '78 Proceedings of the 5th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Thinglab--a constraint-oriented simulation laboratory.
Thinglab--a constraint-oriented simulation laboratory.
Computer
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ACM Transactions on Computing Education (TOCE)
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The Smalltalk-80 system offers a language with a small and elegant conceptual core, and a highly interactive programming environment. We believe, however, that it could be made more learnable and usable by a relatively small set of changes. In this paper, we present the results of a series of empirical studies on learnability, and also some informal studies of large implementation projects. Based on these studies, we suggest a number of changes to the Smalltalk-80 language and system.