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utils: Add a comment to variable-mapping?

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Sergiu Ivanov 2020-02-19 23:28:27 +01:00
parent 808516081d
commit 5dbdde1610
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utils.rkt
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@ -19,6 +19,7 @@
;;; usage of hash tables mapping symbols to values. The goal is ;;; usage of hash tables mapping symbols to values. The goal is
;;; essentially to avoid having to write explicit hash-ref calls. ;;; essentially to avoid having to write explicit hash-ref calls.
;;; A variable mapping is a hash table mapping symbols to values.
(define (variable-mapping? dict) (define (variable-mapping? dict)
(and (hash? dict) (and (hash? dict)
(if (not (hash-empty? dict)) (if (not (hash-empty? dict))