mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-02 08:22:22 +00:00
60 lines
1.8 KiB
EmacsLisp
60 lines
1.8 KiB
EmacsLisp
;;; obarray.el --- obarray functions -*- lexical-binding: t -*-
|
||
|
||
;; Copyright (C) 2015-2024 Free Software Foundation, Inc.
|
||
|
||
;; Maintainer: emacs-devel@gnu.org
|
||
;; Keywords: obarray functions
|
||
;; Package: emacs
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software: you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation, either version 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; This file provides function for working with obarrays.
|
||
|
||
;;; Code:
|
||
|
||
(defconst obarray-default-size 4)
|
||
(make-obsolete-variable 'obarray-default-size
|
||
"obarrays now grow automatically." "30.1")
|
||
|
||
(defun obarray-size (_ob)
|
||
(declare (obsolete "obarrays now grow automatically." "30.1"))
|
||
obarray-default-size)
|
||
|
||
;; Don’t use obarray as a variable name to avoid shadowing.
|
||
(defun obarray-get (ob name)
|
||
"Return symbol named NAME if it is contained in obarray OB.
|
||
Return nil otherwise."
|
||
(intern-soft name ob))
|
||
|
||
(defun obarray-put (ob name)
|
||
"Return symbol named NAME from obarray OB.
|
||
Creates and adds the symbol if it doesn't exist."
|
||
(intern name ob))
|
||
|
||
(defun obarray-remove (ob name)
|
||
"Remove symbol named NAME if it is contained in obarray OB.
|
||
Return t on success, nil otherwise."
|
||
(unintern name ob))
|
||
|
||
(defun obarray-map (fn ob)
|
||
"Call function FN on every symbol in obarray OB and return nil."
|
||
(mapatoms fn ob))
|
||
|
||
(provide 'obarray)
|
||
;;; obarray.el ends here
|