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| author | Alan Mackenzie <acm@muc.de> | 2017-02-12 10:59:03 +0000 |
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| committer | Alan Mackenzie <acm@muc.de> | 2017-02-12 10:59:03 +0000 |
| commit | f4d5b687150810129b7a1d5b006e31ccf82b691b (patch) | |
| tree | 4229b13800349032697daae3904dc3773e6b7a80 /doc/lispref/lists.texi | |
| parent | d5514332d4a6092673ce1f78fadcae0c57f7be64 (diff) | |
| parent | 148100d98319499f0ac6f57b8be08cbd14884a5c (diff) | |
| download | emacs-comment-cache.tar.gz | |
Merge branch 'master' into comment-cachecomment-cache
Diffstat (limited to 'doc/lispref/lists.texi')
| -rw-r--r-- | doc/lispref/lists.texi | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/doc/lispref/lists.texi b/doc/lispref/lists.texi index bd7d85aa189..8eab2818f97 100644 --- a/doc/lispref/lists.texi +++ b/doc/lispref/lists.texi @@ -362,6 +362,39 @@ This is the same as @code{(cdr (cdr @var{cons-cell}))} or @code{(nthcdr 2 @var{cons-cell})}. @end defun +@findex caaar +@findex caadr +@findex cadar +@findex caddr +@findex cdaar +@findex cdadr +@findex cddar +@findex cdddr +@findex caaaar +@findex caaadr +@findex caadar +@findex caaddr +@findex cadaar +@findex cadadr +@findex caddar +@findex cadddr +@findex cdaaar +@findex cdaadr +@findex cdadar +@findex cdaddr +@findex cddaar +@findex cddadr +@findex cdddar +@findex cddddr +In addition to the above, 24 additional compositions of @code{car} and +@code{cdr} are defined as @code{c@var{xxx}r} and @code{c@var{xxxx}r}, +where each @code{@var{x}} is either @code{a} or @code{d}. @code{cadr}, +@code{caddr}, and @code{cadddr} pick out the second, third or fourth +elements of a list, respectively. @file{cl-lib} provides the same +under the names @code{cl-second}, @code{cl-third}, and +@code{cl-fourth}. @xref{List Functions,,, cl, Common Lisp +Extensions}. + @defun butlast x &optional n This function returns the list @var{x} with the last element, or the last @var{n} elements, removed. If @var{n} is greater |