diff options
Diffstat (limited to 'lisp/emacs-lisp/cl-generic.el')
| -rw-r--r-- | lisp/emacs-lisp/cl-generic.el | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lisp/emacs-lisp/cl-generic.el b/lisp/emacs-lisp/cl-generic.el index 43214aab30c..53691881ec2 100644 --- a/lisp/emacs-lisp/cl-generic.el +++ b/lisp/emacs-lisp/cl-generic.el @@ -1,6 +1,6 @@ ;;; cl-generic.el --- CLOS-style generic functions for Elisp -*- lexical-binding: t; -*- -;; Copyright (C) 2015-2021 Free Software Foundation, Inc. +;; Copyright (C) 2015-2022 Free Software Foundation, Inc. ;; Author: Stefan Monnier <monnier@iro.umontreal.ca> ;; Version: 1.0 @@ -286,7 +286,9 @@ DEFAULT-BODY, if present, is used as the body of a default method. (progn (defalias ',name (cl-generic-define ',name ',args ',(nreverse options)) - ,(help-add-fundoc-usage doc args)) + ,(if (consp doc) ;An expression rather than a constant. + `(help-add-fundoc-usage ,doc ',args) + (help-add-fundoc-usage doc args))) :autoload-end ,@(mapcar (lambda (method) `(cl-defmethod ,name ,@method)) (nreverse methods))) @@ -604,7 +606,9 @@ The set of acceptable TYPEs (also called \"specializers\") is defined (defun cl--generic-get-dispatcher (dispatch) (with-memoization - (gethash dispatch cl--generic-dispatchers) + ;; We need `copy-sequence` here because this `dispatch' object might be + ;; modified by side-effect in `cl-generic-define-method' (bug#46722). + (gethash (copy-sequence dispatch) cl--generic-dispatchers) ;; (message "cl--generic-get-dispatcher (%S)" dispatch) (let* ((dispatch-arg (car dispatch)) (generalizers (cdr dispatch)) |