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Diffstat (limited to 'lisp/emacs-lisp/byte-opt.el')
| -rw-r--r-- | lisp/emacs-lisp/byte-opt.el | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/byte-opt.el b/lisp/emacs-lisp/byte-opt.el index a24a5044562..5a138e9fee5 100644 --- a/lisp/emacs-lisp/byte-opt.el +++ b/lisp/emacs-lisp/byte-opt.el @@ -1287,6 +1287,11 @@ See Info node `(elisp) Integer Basics'." `(list ,(nth 1 form)) form)) +(put 'list 'byte-optimizer #'byte-optimize-list) +(defun byte-optimize-list (form) + ;; (list) -> nil + (and (cdr form) form)) + ;; Fixme: delete-char -> delete-region (byte-coded) (put 'set 'byte-optimizer #'byte-optimize-set) |