Commit b7ed48c3 authored by NicolasPetton's avatar NicolasPetton
Browse files

Add seq-into as a public function

* lisp/emacs-lisp/seq.el: Make seq-into a public function (replacing
* test/automated/seq-tests.el: Add tests for seq-into
* doc/lispref/sequences.texi: Add documentation for seq-into
parent 8854b9cf
2015-03-09 Nicolas Petton <>
* sequences.texi (seq-into): Add documentation for the new
seq-into function.
2015-03-03 Eli Zaretskii <>
* processes.texi (Synchronous Processes): Update documentation of
......@@ -740,6 +740,28 @@ of @var{sequence}. Keys are compared using @code{equal}.
@end example
@end defun
@defun seq-into sequence type
This function converts the sequence @var{sequence} into a sequence
of type @var{type}. @var{type} can be one of the following symbols:
@code{vector}, @code{string} or @code{list}.
(seq-into [1 2 3] 'list)
@result{} (1 2 3)
@end group
(seq-into nil 'vector)
@result{} []
@end group
(seq-into "hello" 'vector)
@result{} [104 101 108 108 111]
@end group
@end example
@end defun
@defmac seq-doseq (var sequence [result]) body@dots{}
@cindex sequence iteration
This macro is like @code{dolist}, except that @var{sequence} can be a list,
2015-03-09 Nicolas Petton <>
* emacs-lisp/seq.el (seq-into): New function.
Bump seq.el version to 1.3.
2015-03-09 Dmitry Gutov <>
* progmodes/ruby-mode.el (ruby-font-lock-keywords): Don't consider
......@@ -4,7 +4,8 @@
;; Author: Nicolas Petton <>
;; Keywords: sequences
;; Version: 1.2
;; Version: 1.3
;; Package: seq
;; Maintainer:
......@@ -171,7 +172,7 @@ The result is a sequence of the same type as SEQ."
(if (listp seq)
(sort (seq-copy seq) pred)
(let ((result (seq-sort pred (append seq nil))))
(seq--into result (type-of seq)))))
(seq-into result (type-of seq)))))
(defun seq-contains-p (seq elt &optional testfn)
"Return the first element in SEQ that equals to ELT.
......@@ -265,10 +266,11 @@ See also the function `nreverse', which is used more often."
(if (listp seq)
(seq--into result (type-of seq)))))))
(seq-into result (type-of seq)))))))
(defun seq--into (seq type)
"Convert the sequence SEQ into a sequence of type TYPE."
(defun seq-into (seq type)
"Convert the sequence SEQ into a sequence of type TYPE.
TYPE can be one of the following symbols: vector, string or list."
(pcase type
(`vector (vconcat seq))
(`string (concat seq))
2015-03-09 Nicolas Petton <>
* automated/seq-tests.el (test-seq-into): Add a test for seq-into.
2015-03-08 Dmitry Gutov <>
* indent/ruby.rb: Add an example for bug#20026.
......@@ -228,5 +228,27 @@ Evaluate BODY for each created sequence.
(should (equal (type-of (seq-reverse seq))
(type-of seq)))))
(ert-deftest test-seq-into ()
(let* ((vector [1 2 3])
(list (seq-into vector 'list)))
(should (same-contents-p vector list))
(should (listp list)))
(let* ((list '(hello world))
(vector (seq-into list 'vector)))
(should (same-contents-p vector list))
(should (vectorp vector)))
(let* ((string "hello")
(list (seq-into string 'list)))
(should (same-contents-p string list))
(should (stringp string)))
(let* ((string "hello")
(vector (seq-into string 'vector)))
(should (same-contents-p string vector))
(should (stringp string)))
(let* ((list nil)
(vector (seq-into list 'vector)))
(should (same-contents-p list vector))
(should (vectorp vector))))
(provide 'seq-tests)
;;; seq-tests.el ends here
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