scsh-0.6/scheme/alt/features-packages.scm

30 lines
823 B
Scheme

; Copyright (c) 1993-1999 by Richard Kelsey and Jonathan Rees. See file COPYING.
; The following several packages have Scheme-implementation-specific
; variants that are much better for one reason or another than
; the generic versions defined here.
(define-structures ((signals signals-interface)
(handle (export ignore-errors))
(features features-interface))
(open scheme-level-2)
(files features))
(define-structure records records-interface
(open scheme-level-2 signals)
(files record))
(define-structure ascii (export ascii->char char->ascii)
(open scheme-level-2 signals)
(files ascii))
(define-structure bitwise bitwise-interface
(open scheme-level-2 signals)
(files bitwise))
(define-structure code-vectors code-vectors-interface
(open scheme-level-1)
(files code-vectors))