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author | Dave Love <fx@gnu.org> | 2000-08-23 14:19:27 +0000 |
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committer | Dave Love <fx@gnu.org> | 2000-08-23 14:19:27 +0000 |
commit | dbda27d1f9ba40181f52d2e93218b54181d93c5a (patch) | |
tree | b1d1db51dc236a2ee383fd89ef0b45018ce8c437 /lispref | |
parent | bfccb7b3bc8579f8221c126e9482ad418ce38677 (diff) | |
download | emacs-dbda27d1f9ba40181f52d2e93218b54181d93c5a.tar.gz |
Add `last'.
Diffstat (limited to 'lispref')
-rw-r--r-- | lispref/lists.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lispref/lists.texi b/lispref/lists.texi index 64e634d2803..458d011c489 100644 --- a/lispref/lists.texi +++ b/lispref/lists.texi @@ -383,6 +383,14 @@ If @var{n} is zero or negative, @code{nthcdr} returns all of @end example @end defun +@defun last list &optional n +This function reruns the last link of the given @var{list}. The +@code{car} of this link is the list's last element. If @var{list} is +null, @code{nil} is returned. If @var{n} is non-nil the +@var{n}-th-to-last link is returned instead, or the whole @var{list} if +@var{n} is bigger than @var{list}'s length. +@end defun + @defun safe-length list This function returns the length of @var{list}, with no risk of either an error or an infinite loop. |