features-packages.scm 869 B

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  1. ; Part of Scheme 48 1.9. See file COPYING for notices and license.
  2. ; Authors: Richard Kelsey, Jonathan Rees
  3. ; The following several packages have Scheme-implementation-specific
  4. ; variants that are much better for one reason or another than
  5. ; the generic versions defined here.
  6. (define-structures ((low-exceptions low-exceptions-interface)
  7. (handle (export ignore-errors))
  8. (features features-interface))
  9. (open scheme-level-2)
  10. (files features))
  11. (define-structure records records-interface
  12. (open scheme-level-2 problems)
  13. (files record))
  14. (define-structure ascii (export ascii->char char->ascii)
  15. (open scheme-level-2 problems)
  16. (files ascii))
  17. (define-structure bitwise bitwise-interface
  18. (open scheme-level-2 problems)
  19. (files bitwise))
  20. (define-structure code-vectors code-vectors-interface
  21. (open scheme-level-1)
  22. (files code-vectors))