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The Unification of Data and Algorithms

  • Mark PriestleyEmail author
Part of the History of Computing book series (HC)

Abstract

In the 1970s it was common to describe programs as having two main aspects, namely the data structures that the program required and the algorithms used to manipulate that data. Investigations into programming methodology, however, had made it clear that there was a close relationship between these two areas, an approach which became referred to as ‘data abstraction’. This chapter examines in more detail the development of novel programming language support for data abstraction, and it suggests that a stable configuration of ideas, one that has profoundly influenced the design of programming languages up to the present day, was first achieved by the Smalltalk language. Although it drew heavily on work from the Algol research programme, the design of Smalltalk was also strongly influenced by ideas from completely different areas, and the chapter concludes by arguing that in various ways Smalltalk marks a limit to the influence of logic on programming language design.

Keywords

Programming Language Program Module Data Abstraction Abstract Data Type Simulation Language 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London Limited 2011

Authors and Affiliations

  1. 1.LondonUK

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