diff options
Diffstat (limited to 'lisp/emacs-lisp/cl-lib.el')
| -rw-r--r-- | lisp/emacs-lisp/cl-lib.el | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lisp/emacs-lisp/cl-lib.el b/lisp/emacs-lisp/cl-lib.el index 122402797e..e9b30a8f62 100644 --- a/lisp/emacs-lisp/cl-lib.el +++ b/lisp/emacs-lisp/cl-lib.el @@ -251,12 +251,17 @@ one value. (defvar cl-proclaims-deferred nil) (defun cl-proclaim (spec) + "Record a global declaration specified by SPEC." (if (fboundp 'cl-do-proclaim) (cl-do-proclaim spec t) (push spec cl-proclaims-deferred)) nil) (defmacro cl-declaim (&rest specs) - (let ((body (mapcar (function (lambda (x) (list 'cl-proclaim (list 'quote x)))) + "Like `cl-proclaim', but takes any number of unevaluated, unquoted arguments. +Puts `(cl-eval-when (compile load eval) ...)' around the declarations +so that they are registered at compile-time as well as run-time." + (let ((body (mapcar (function (lambda (x) + (list 'cl-proclaim (list 'quote x)))) specs))) (if (cl--compiling-file) (cl-list* 'cl-eval-when '(compile load eval) body) (cons 'progn body)))) ; avoid loading cl-macs.el for cl-eval-when |