clojure.core/key

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Type: function Added: Clojure 1.0 Examples: 2 Runnable: 1

([e])

Returns the key of the map entry.

Examples

by devn on 2010-08-02 ▶

;; the following emulates 'keys' (map key {:a 1 :b 2}) ;;=> (:a :b)

by phreed on 2015-06-15 . May have evaluation errors. ▶

;; extracts the key of a map entry (key (clojure.lang.MapEntry. :a :b)) ;;=> :a

See also

• clojure.core/keys (2)
• clojure.core/val (3)
• clojure.core/map (13)
• clojure.core/hash-map (3)

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