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Use common tagged-list? function

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Justin Ethier 2015-07-01 21:00:27 -04:00
parent 78de607312
commit d6d1b31521
2 changed files with 1 additions and 5 deletions
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5
eval.scm
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@ -17,11 +17,6 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Expression handling helper functions
(define (tagged-list? tag exp)
(if (pair? exp)
(equal? (car exp) tag)
#f))
(define (self-evaluating? exp)
(cond ((number? exp) #t)
((boolean? exp) #t)

1
scheme/eval.sld
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@ -1,5 +1,6 @@
(define-library (scheme eval)
(import
(scheme cyclone util)
(scheme base)
(scheme file)
(scheme write)