procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* doc/lispref/sequences.texi: Add documentation for seq-map-indexed

Browse source
This commit is contained in:
Nicolas Petton 2016-02-14 10:28:26 +01:00
parent 30fe90fa3c
commit ba1422e12f
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
doc/lispref/sequences.texi
View file

@ -572,6 +572,21 @@ element of @var{sequence}. The returned value is a list.
@end example
@end defun
@defun seq-map-indexed function sequence
This function returns the result of applying @var{function} to each
element of @var{sequence} and its index within @var{seq}. The
returned value is a list.
@example
@group
(seq-map-indexed (lambda (elt idx)
(list idx elt))
'(a b c))
@result{} ((0 a) (b 1) (c 2))
@end group
@end example
@end defun
@defun seq-mapn function &rest sequences
This function returns the result of applying @var{function} to each
element of @var{sequences}. The arity of @var{function} must match