Function: cl-delete-if-not

cl-delete-if-not is an autoloaded and byte-compiled function defined in cl-seq.el.gz.

Signature

(cl-delete-if-not PREDICATE SEQ [KEYWORD VALUE]...)

Documentation

Remove all items not satisfying PREDICATE in SEQ.

This is a destructive function; it reuses the storage of SEQ whenever possible.

Keywords supported: :key :count :start :end :from-end

View in manual

Aliases

delete-if-not (obsolete since 27.1)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/cl-seq.el.gz
;;;###autoload
(defun cl-delete-if-not (cl-pred cl-list &rest cl-keys)
  "Remove all items not satisfying PREDICATE in SEQ.
This is a destructive function; it reuses the storage of SEQ whenever possible.
\nKeywords supported:  :key :count :start :end :from-end
\n(fn PREDICATE SEQ [KEYWORD VALUE]...)"
  (apply 'cl-delete nil cl-list :if-not cl-pred cl-keys))