From: Dave Love <fx@gnu.org>
Date: Wed, 29 Nov 2000 14:55:23 +0000 (+0000)
Subject: subr-arity
X-Git-Tag: emacs-pretest-21.0.93~381
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=aad529410b9a127253be02eb2ebca1054b91a840;p=emacs.git

subr-arity
---

diff --git a/lispref/functions.texi b/lispref/functions.texi
index 6cdcb6bce1b..de726e55104 100644
--- a/lispref/functions.texi
+++ b/lispref/functions.texi
@@ -144,6 +144,16 @@ function.  For example:
 @end example
 @end defun
 
+@defun subr-arity subr
+@tindex subr-arity
+This function provides information about the argument list of a
+primitive, @var{subr}.  The returned value is a pair
+@code{(@var{min} . @var{max})}.  @var{min} is the minimum number of
+args.  @var{max} is the maximum number or the symbol @code{many}, for a
+function with @code{&rest} arguments, or the symbol @code{unevalled} if
+@var{subr} is a special form.
+@end defun
+
 @node Lambda Expressions
 @section Lambda Expressions
 @cindex lambda expression