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remove first-or-null, not required because first returns null already

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Pekka Laiho 2020-12-24 08:18:43 +07:00
parent 45bc9ec2ef
commit c4e0a991c6
1 changed files with 1 additions and 4 deletions
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5
mad/util.mad
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@ -3,9 +3,6 @@
;; Generic utility functions. ;; Generic utility functions.
;; ;;
;; Return first item of sequence, or null if it is empty.
(defn first-or-null (seq) (if (empty? seq) null (first seq)))
;; Split string by whitespace, removing empty strings. ;; Split string by whitespace, removing empty strings.
(defn split-ws (s) (re-split "/[\\s]+/" s)) (defn split-ws (s) (re-split "/[\\s]+/" s))
@ -13,4 +10,4 @@
;; Useful for parsing a string for command name and arguments. ;; Useful for parsing a string for command name and arguments.
(defn str-first-rest (s) (defn str-first-rest (s)
(let (words (split-ws s)) (let (words (split-ws s))
[(first-or-null words) (tail words)])) [(first words) (tail words)]))