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annotate lisp/hash-table.el @ 5448:89331fa1c819

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Merged with trunk.
author Mats Lidell <matsl@xemacs.org>
date Thu, 06 Jan 2011 00:35:22 +0100
parents 308d34e9f07d
children
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1 ;;; hash-table.el --- hash-table utility functions
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2
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3 ;; Copyright (C) 2000 Ben Wing.
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4
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5 ;; Author: Ben Wing
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Keywords: internal, dumped
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software: you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by the
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13 ;; Free Software Foundation, either version 3 of the License, or (at your
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14 ;; option) any later version.
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16 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT
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17 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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19 ;; for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>.
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23
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24 ;;; Synched up with: Not in FSF.
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25
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26 ;;; Authorship:
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27
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28 ;; Created July 2000 by Ben Wing.
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29
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30 ;;; Commentary:
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31
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32 ;; This file is dumped with XEmacs.
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33
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34 ;;; Code:
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35
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36 (defun hash-table-key-list (hash-table)
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37 "Return a list of all keys in HASH-TABLE."
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38 (let (list)
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39 (maphash #'(lambda (key value) (push key list)) hash-table)
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40 list))
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42 (defun hash-table-value-list (hash-table)
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43 "Return a list of all values in HASH-TABLE."
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44 (let (list)
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45 (maphash #'(lambda (key value) (push value list)) hash-table)
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46 list))
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48 (defun hash-table-key-value-alist (hash-table)
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49 "Return an alist of (KEY . VALUE) for all keys and values in HASH-TABLE."
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50 (let (list)
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51 (maphash #'(lambda (key value) (setq list (acons key value list)))
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52 hash-table)
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53 list))
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55 (defun hash-table-key-value-plist (hash-table)
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56 "Return a plist for all keys and values in HASH-TABLE.
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57 A plist is a simple list containing alternating keys and values."
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58 (let (list)
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59 (maphash #'(lambda (key value) (setq list (list* key value list)))
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60 hash-table)
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61 list))