From c2e8d04545664ca6ed6363a804d9607588f4df61 Mon Sep 17 00:00:00 2001 From: Colin Woodbury Date: Thu, 18 Aug 2022 18:49:59 +0900 Subject: [PATCH] ; * lisp/emacs-lisp/cl-seq.el (cl-reduce): Document arg order flip when :from-end is used. --- lisp/emacs-lisp/cl-seq.el | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lisp/emacs-lisp/cl-seq.el b/lisp/emacs-lisp/cl-seq.el index 64ae05bf2a..60e204eaf5 100644 --- a/lisp/emacs-lisp/cl-seq.el +++ b/lisp/emacs-lisp/cl-seq.el @@ -139,6 +139,10 @@ only case where FUNCTION is called with fewer than two arguments. If SEQ contains exactly one element and no :INITIAL-VALUE is specified, then return that element and FUNCTION is not called. +If :FROM-END is non-nil, the reduction occurs from the back of +the SEQ moving forward, and the order of arguments to the +FUNCTION is also reversed. + \n(fn FUNCTION SEQ [KEYWORD VALUE]...)" (cl--parsing-keywords (:from-end (:start 0) :end :initial-value :key) () (or (listp cl-seq) (setq cl-seq (append cl-seq nil))) -- 2.37.2