seq

function

since v0.0-927

clojure.core/seq

Edit

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Details:

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See Also:

• seq?
• empty?

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Source docstring:

Returns a seq on the collection. If the collection is
empty, returns nil.  (seq nil) returns nil. seq also works on
Strings.

(defn ^seq seq
  [coll]
  (when-not (nil? coll)
    (cond
      (implements? ISeqable coll)
      (-seq coll)

      (array? coll)
      (when-not (zero? (alength coll))
        (IndexedSeq. coll 0 nil))

      (string? coll)
      (when-not (zero? (.-length coll))
        (IndexedSeq. coll 0 nil))

      (js-iterable? coll)
      (es6-iterator-seq
        (.call (gobject/get coll ITER_SYMBOL) coll))

      (native-satisfies? ISeqable coll)
      (-seq coll)

      :else (throw (js/Error. (str coll " is not ISeqable"))))))

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