Features of the concurrent programming language Aldwych

Authors:
Matthew Huntbach
Affiliations:
Queen Mary, University of London, London, UK
Venue:
Proceedings of the 2003 ACM symposium on Applied computing
Year:
2003

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Proceedings of the 2003 ACM symposium on Applied computing

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Abstract

This paper describes a concurrent programming language, Aldwych. The language has a simple operational model where any variable has exactly one process that can write to it but any number that can read it. Once a variable has been written to its value cannot be changed, but a tuple value can be written to a variable, and variables within the tuple written to later. Processes consist of a set of rules which are triggered when variables are given values.We show how this underlying model can be extended using a number of derived forms so that Aldwych has features of imperative, object-oriented and functional programming.