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* boot-9.scm (provided?): New function.

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This commit is contained in:
Jim Blandy 1999-05-02 17:27:05 +00:00
parent 699139fd17
commit 50706e9475
1 changed files with 6 additions and 0 deletions
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6
ice-9/boot-9.scm
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@ -34,6 +34,12 @@
(if (not (memq sym *features*))
(set! *features* (cons sym *features*))))
;;; Return #t iff FEATURE is available to this Guile interpreter.
;;; In SLIB, provided? also checks to see if the module is available.
;;; We should do that too, but don't.
(define (provided? feature)
(and (memq feature *features*) #t))
;;; {R4RS compliance}