The theory and practice of first-class prompts

  • Authors:
  • Mattias Felleisen

  • Affiliations:
  • Indiana University, Computer Science Department, Lindley Hall 101, Bloomington, IN

  • Venue:
  • POPL '88 Proceedings of the 15th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
  • Year:
  • 1988

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Abstract

An analysis of the &lgr;ugr;-C-calculus and its problematic relationship to operational equivalence leads to a new control facility: the prompt-application. With the introduction of prompt-applications, the control calculus becomes a traditional calculus all of whose equations imply operational equivalence. In addition, prompt-applications enhance the expressiveness and efficiency of the language. We illustrate the latter claim with examples from such distinct areas as systems programming and tree processing.