Function: map-filter

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

Signature

(map-filter PRED MAP)

Documentation

Return an alist of key/val pairs for which (PRED key val) is non-nil in MAP.

The default implementation delegates to map-apply.

Implementations

(map-filter PRED MAP) in `map.el'.

Undocumented

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/map.el.gz
(cl-defgeneric map-filter (pred map)
  "Return an alist of key/val pairs for which (PRED key val) is non-nil in MAP.
The default implementation delegates to `map-apply'."
  (delq nil (map-apply (lambda (key val)
                         (and (funcall pred key val)
                              (cons key val)))
                       map)))