Function: map-keys

map-keys is a byte-compiled function defined in map.el.gz.

Signature

(map-keys MAP)

Documentation

Return the list of keys in MAP.

The default implementation delegates to map-apply.

Other relevant functions are documented in the map group.

Shortdoc

;; map
(map-keys (list 'bar 1 'foo 2 'baz 3))
    => (bar foo baz)
  (map-keys (list '(bar . 1) '(foo . 2) '(baz . 3)))
    => (bar foo baz)
  (map-keys [bar foo baz])
    => (0 1 2)
  (map-keys #s(hash-table data (bar 1 foo 2 baz 3)))
    => (bar foo baz)

Implementations

(map-keys MAP) in `map.el'.

Undocumented

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/map.el.gz
(cl-defgeneric map-keys (map)
  "Return the list of keys in MAP.
The default implementation delegates to `map-apply'."
  (map-apply (lambda (key _) key) map))