diff options
Diffstat (limited to 'lisp/emacs-lisp/seq.el')
| -rw-r--r-- | lisp/emacs-lisp/seq.el | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lisp/emacs-lisp/seq.el b/lisp/emacs-lisp/seq.el index ef2b1092c83..64d7e533751 100644 --- a/lisp/emacs-lisp/seq.el +++ b/lisp/emacs-lisp/seq.el @@ -4,7 +4,7 @@ ;; Author: Nicolas Petton <nicolas@petton.fr> ;; Keywords: sequences -;; Version: 2.21 +;; Version: 2.22 ;; Package: seq ;; Maintainer: emacs-devel@gnu.org @@ -320,7 +320,7 @@ list." ;;;###autoload (cl-defgeneric seq-filter (pred sequence) - "Return a list of all the elements for which (PRED element) is non-nil in SEQUENCE." + "Return a list of all elements for which (PRED element) is non-nil in SEQUENCE." (let ((exclude (make-symbol "exclude"))) (delq exclude (seq-map (lambda (elt) (if (funcall pred elt) @@ -353,6 +353,7 @@ If SEQUENCE is empty, return INITIAL-VALUE and FUNCTION is not called." (setq acc (funcall function acc elt))) acc))) +;;;###autoload (cl-defgeneric seq-every-p (pred sequence) "Return non-nil if (PRED element) is non-nil for all elements of SEQUENCE." (catch 'seq--break @@ -413,7 +414,8 @@ Equality is defined by TESTFN if non-nil or by `equal' if nil." nil)) (cl-defgeneric seq-set-equal-p (sequence1 sequence2 &optional testfn) - "Return non-nil if SEQUENCE1 and SEQUENCE2 contain the same elements, regardless of order. + "Return non-nil if SEQUENCE1 and SEQUENCE2 contain the same elements. +This does not depend on the order of the elements. Equality is defined by TESTFN if non-nil or by `equal' if nil." (and (seq-every-p (lambda (item1) (seq-contains-p sequence2 item1 testfn)) sequence1) (seq-every-p (lambda (item2) (seq-contains-p sequence1 item2 testfn)) sequence2))) @@ -446,7 +448,7 @@ The result is a sequence of type TYPE, or a list if TYPE is nil." (seq-map function sequence))) (cl-defgeneric seq-partition (sequence n) - "Return a list of the elements of SEQUENCE grouped into sub-sequences of length N. + "Return list of elements of SEQUENCE grouped into sub-sequences of length N. The last sequence may contain less than N elements. If N is a negative integer or 0, nil is returned." (unless (< n 1) @@ -476,6 +478,7 @@ Equality is defined by TESTFN if non-nil or by `equal' if nil." (seq-reverse sequence1) '())) +;;;###autoload (cl-defgeneric seq-group-by (function sequence) "Apply FUNCTION to each element of SEQUENCE. Separate the elements of SEQUENCE into an alist using the results as @@ -496,6 +499,7 @@ keys. Keys are compared using `equal'." SEQUENCE must be a sequence of numbers or markers." (apply #'min (seq-into sequence 'list))) +;;;###autoload (cl-defgeneric seq-max (sequence) "Return the largest element of SEQUENCE. SEQUENCE must be a sequence of numbers or markers." |