mirror/guile
mirror/guile
1
Fork 0
mirror of https://git.savannah.gnu.org/git/guile.git synced 2025-06-11 22:31:12 +02:00
Code Activity

(Pairs): Cross reference SRFI-1 second, third, fourth.

Browse source 
(List Modification): Cross reference SRFI-1 delete and lset-difference.
(List Searching): Cross reference SRFI-1 member.
(List Mapping): Cross reference SRFI-1 map etc.
(Retrieving Alist Entries): Cross reference SRFI-1 assoc.
This commit is contained in:
Kevin Ryde 2006-05-19 23:34:29 +00:00
parent 0ad04acf58
commit f978f7432e
1 changed files with 18 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

21
doc/ref/api-compound.texi
View file

@ -189,6 +189,11 @@ for example @code{caddr} could be defined by
@lisp
(define caddr (lambda (x) (car (cdr (cdr x)))))
@end lisp
@code{cadr}, @code{caddr} and @code{cadddr} pick out the second, third
or fourth elements of a list, respectively. SRFI-1 provides the same
under the names @code{second}, @code{third} and @code{fourth}
(@pxref{SRFI-1 Selectors}).
@end deffn
@rnindex set-car!
@ -498,7 +503,7 @@ Return a newly-created copy of @var{lst} with elements
@deffn {Scheme Procedure} delv item lst
@deffnx {C Function} scm_delv (item, lst)
Return a newly-created copy of @var{lst} with elements
@code{eqv?} to @var{item} removed. This procedure mirrors
@code{eqv?} to @var{item} removed. This procedure mirrors
@code{memv}: @code{delv} compares elements of @var{lst} against
@var{item} with @code{eqv?}.
@end deffn
@ -506,9 +511,13 @@ Return a newly-created copy of @var{lst} with elements
@deffn {Scheme Procedure} delete item lst
@deffnx {C Function} scm_delete (item, lst)
Return a newly-created copy of @var{lst} with elements
@code{equal?} to @var{item} removed. This procedure mirrors
@code{equal?} to @var{item} removed. This procedure mirrors
@code{member}: @code{delete} compares elements of @var{lst}
against @var{item} with @code{equal?}.
See also SRFI-1 which has an extended @code{delete} (@ref{SRFI-1
Deleting}), and also an @code{lset-difference} which can delete
multiple @var{item}s in one call (@ref{SRFI-1 Set Operations}).
@end deffn
@deffn {Scheme Procedure} delq! item lst
@ -598,6 +607,9 @@ the non-empty lists returned by @code{(list-tail @var{lst}
@var{k})} for @var{k} less than the length of @var{lst}. If
@var{x} does not occur in @var{lst}, then @code{#f} (not the
empty list) is returned.
See also SRFI-1 which has an extended @code{member} function
(@ref{SRFI-1 Searching}).
@end deffn
@ -633,6 +645,8 @@ and the result(s) of the procedure applications are thrown away. The
return value is not specified.
@end deffn
See also SRFI-1 which extends these functions to take lists of unequal
lengths (@ref{SRFI-1 Fold and Map}).
@node Vectors
@subsection Vectors
@ -3258,7 +3272,8 @@ return is the pair @code{(KEY . VALUE)} from @var{alist}. If there's
no matching entry the return is @code{#f}.
@code{assq} compares keys with @code{eq?}, @code{assv} uses
@code{eqv?} and @code{assoc} uses @code{equal?}.
@code{eqv?} and @code{assoc} uses @code{equal?}. See also SRFI-1
which has an extended @code{assoc} (@ref{SRFI-1 Association Lists}).
@end deffn
@deffn {Scheme Procedure} assq-ref alist key