Submodules in racket: you want it when, again?

  • Authors:
  • Matthew Flatt

  • Affiliations:
  • PLT and University of Utah, Salt Lake City, UT, USA

  • Venue:
  • Proceedings of the 12th international conference on Generative programming: concepts & experiences
  • Year:
  • 2013

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Abstract

In an extensible programming language, programmers write code that must run at different times - in particular, at compile time versus run time. The module system of the Racket programming language enables a programmer to reason about programs in the face of such extensibility, because the distinction between run-time and compile-time phases is built into the language model. Submodules extend Racket's module system to make the phase-separation facet of the language extensible. That is, submodules give programmers the capability to define new phases, such as "test time" or "documentation time," with the same reasoning and code-management benefits as the built-in distinction between run time and compile time.