Interpreting Localized Computational Effects Using Operators of Higher Type

  • Authors:
  • John Longley

  • Affiliations:
  • Laboratory for Foundations of Computer Science School of Informatics, University of Edinburgh, Edinburgh, UK EH9 3JZ

  • Venue:
  • CiE '08 Proceedings of the 4th conference on Computability in Europe: Logic and Theory of Algorithms
  • Year:
  • 2008

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Abstract

We outline a general approach to providing intensional models for languages with computational effects, whereby the problem of interpreting a given effect reduces to that of finding an operator of higher type satisfying certain equations. Our treatment consolidates and generalizes an idea that is already implicit in the literature on game semantics. As an example, we work out our approach in detail for the case of fresh name generation, and discuss some particular models to which it applies.