diff options
Diffstat (limited to 'lisp/emacs-lisp/cl-generic.el')
| -rw-r--r-- | lisp/emacs-lisp/cl-generic.el | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cl-generic.el b/lisp/emacs-lisp/cl-generic.el index 544704be387..db5a5a0c89a 100644 --- a/lisp/emacs-lisp/cl-generic.el +++ b/lisp/emacs-lisp/cl-generic.el @@ -1158,7 +1158,17 @@ These match if the argument is a cons cell whose car is `eql' to VAL." (cl-defmethod cl-generic-generalizers ((specializer (head eql))) "Support for (eql VAL) specializers. These match if the argument is `eql' to VAL." - (puthash (cadr specializer) specializer cl--generic-eql-used) + (let ((form (cadr specializer))) + (puthash (if (or (not (symbolp form)) (macroexp-const-p form)) + (eval form t) + ;; FIXME: Compatibility with Emacs<28. For now emitting + ;; a warning would be annoying for third party packages + ;; which can't use the new form without breaking compatibility + ;; with older Emacsen, but in the future we should emit + ;; a warning. + ;; (message "Quoting obsolete `eql' form: %S" specializer) + form) + specializer cl--generic-eql-used)) (list cl--generic-eql-generalizer)) (cl--generic-prefill-dispatchers 0 (eql nil)) |