TOY: A Multiparadigm Declarative System

  • Authors:
  • Francisco Javier López-Fraguas;Jaime Sánchez Hernández

  • Affiliations:
  • -;-

  • Venue:
  • RtA '99 Proceedings of the 10th International Conference on Rewriting Techniques and Applications
  • Year:
  • 1999

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Abstract

TOY is the concrete implementation of CRWL, a wide theoretical framework for declarative programming whose basis is a constructor based rewriting logic with lazy non-deterministic functions as the core notion. Other aspects of CRWL supported by TOY are: polymorphic types; HO features; equality and disequality constraints over terms and linear constraints over real numbers; goal solving by needed narrowing combined with constraint solving. The implementation is based on a compilation of TOY programs into Prolog.