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+;;; cider-compat.el --- Functions from newer Emacs versions for compatibility -*- lexical-binding: t -*-
+
+;; Copyright © 2012-2013 Tim King, Phil Hagelberg, Bozhidar Batsov
+;; Copyright © 2013-2018 Bozhidar Batsov, Artur Malabarba and CIDER contributors
+;;
+
+;; 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:
+
+;; Everything here was copied from subr-x for compatibility with
+;; Emacs 25.1.
+
+;;; Code:
+
+(eval-and-compile
+
+  (unless (fboundp 'if-let*)
+    (defmacro if-let* (bindings then &rest else)
+      "Process BINDINGS and if all values are non-nil eval THEN, else ELSE.
+Argument BINDINGS is a list of tuples whose car is a symbol to be
+bound and (optionally) used in THEN, and its cadr is a sexp to be
+evalled to set symbol's value."
+      (declare (indent 2)
+               (debug ([&or (&rest (symbolp form)) (symbolp form)] form body)))
+      `(let* ,(internal--build-bindings bindings)
+         (if ,(car (internal--listify (car (last bindings))))
+             ,then
+           ,@else))))
+
+  (unless (fboundp 'when-let*)
+    (defmacro when-let* (bindings &rest body)
+      "Process BINDINGS and if all values are non-nil eval BODY.
+Argument BINDINGS is a list of tuples whose car is a symbol to be
+bound and (optionally) used in BODY, and its cadr is a sexp to be
+evalled to set symbol's value."
+      (declare (indent 1) (debug if-let*))
+      `(if-let* ,bindings ,(macroexp-progn body)))))
+
+(provide 'cider-compat)
+;;; cider-compat.el ends here