;;; hash-table.el --- hash-table utility functions

;; Copyright (C) 2000 Ben Wing.

;; Author: Ben Wing
;; Maintainer: XEmacs Development Team
;; Keywords: internal, dumped

;; This file is part of XEmacs.

;; XEmacs 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.

;; XEmacs 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 XEmacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Synched up with: Not in FSF.

;;; Authorship:

;; Created July 2000 by Ben Wing.

;;; Commentary:

;; This file is dumped with XEmacs.

;;; Code:

(defun hash-table-key-list (hash-table)
  "Return a list of all keys in HASH-TABLE."
  (let (list)
    (maphash #'(lambda (key value) (push key list)) hash-table)
    list))

(defun hash-table-value-list (hash-table)
  "Return a list of all values in HASH-TABLE."
  (let (list)
    (maphash #'(lambda (key value) (push value list)) hash-table)
    list))

(defun hash-table-key-value-alist (hash-table)
  "Return an alist of (KEY . VALUE) for all keys and values in HASH-TABLE."
  (let (list)
    (maphash #'(lambda (key value) (setq list (acons key value list)))
	     hash-table)
    list))

(defun hash-table-key-value-plist (hash-table)
  "Return a plist for all keys and values in HASH-TABLE.
A plist is a simple list containing alternating keys and values."
  (let (list)
    (maphash #'(lambda (key value) (setq list (list* key value list)))
	     hash-table)
    list))