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theodesp/safe-first.scm

Last active August 22, 2018 14:01
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Safe first #scheme
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safe-first.scm
(import (rnrs (6)))
(use-modules ((rnrs) :version (6)))
(define (safe-first sent)
;; Return first if not empty
(if (empty? sent)
'()
(first sent)))
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