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utils: Generalise unstringify-pairs to accept both proper and improper pairs.

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Sergiu Ivanov 2020-02-22 18:58:19 +01:00
parent 5b4d39a1b0
commit a2b8df2a67
1 changed files with 6 additions and 3 deletions
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9
utils.rkt
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@ -15,7 +15,7 @@
[stringify-variable-mapping (-> variable-mapping? string-variable-mapping?)]
[string->any (-> string? any/c)]
[read-org-table (-> string? (listof any/c))]
[unstringify-pairs (-> (listof (cons/c string? string?)) (listof (cons/c symbol? any/c)))])
[unstringify-pairs (-> (listof (list/c string? string?)) (listof (list/c symbol? any/c)))])
;; Contracts
(contract-out [variable-mapping? contract?]
[string-variable-mapping? contract?])
@ -179,5 +179,8 @@
;;; string->any.
(define (unstringify-pairs pairs)
(for/list ([p pairs])
(match-let ([(cons key val) p])
(cons (string->symbol key) (string->any val)))))
(match p
[(list key val)
(cons (string->symbol key) (string->any val))]
[(cons key val) ; also handle improper pairs
(cons (string->symbol key) (string->any val))])))