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;;; cider-util.el --- Common utility functions that don't belong anywhere else
;; Copyright © 2012-2013 Tim King, Phil Hagelberg
;; Copyright © 2013 Bozhidar Batsov, Hugo Duncan, Steve Purcell
;;
;; Author: Tim King <kingtim@gmail.com>
;; Phil Hagelberg <technomancy@gmail.com>
;; Bozhidar Batsov <bozhidar@batsov.com>
;; Hugo Duncan <hugo@hugoduncan.org>
;; Steve Purcell <steve@sanityinc.com>
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Common utility functions that don't belong anywhere else
;;; Code:
(require 'dash)
;;; Compatibility
(eval-and-compile
;; `setq-local' for Emacs 24.2 and below
(unless (fboundp 'setq-local)
(defmacro setq-local (var val)
"Set variable VAR to value VAL in current buffer."
`(set (make-local-variable ',var) ,val))))
(defun cider-util--hash-keys (hashtable)
"Return a list of keys in HASHTABLE."
(let ((keys '()))
(maphash (lambda (k v) (setq keys (cons k keys))) hashtable)
keys))
(defun cider-util--clojure-buffers ()
"Return a list of all existing `clojure-mode' buffers."
(-filter
(lambda (buffer) (eq 'clojure-mode (buffer-local-value 'major-mode buffer)))
(buffer-list)))
(provide 'cider-util)
;;; cider-util.el ends here
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