Configure cider eval'ing to a comment

emacs/.emacs.d/config/init-clojure.el

@@ -38,6 +38,7 @@
   (cider-known-endpoints
    '(("local" "localhost" "4005")))
   (cider-prompt-for-symbol nil)
+  (cider-comment-prefix ";; => ")
   :hook ((clojure-mode . cider-mode)
          (clojurescript-mode . cider-mode)
          (clojurec-mode . cider-mode))
@@ -49,6 +50,7 @@
   (cider-stacktrace-mode-map "SPC" leader-map)
   (normal cider-mode-map "M-." #'cider-find-var)
   (cider-mode-map "C-c M-b" #'cider-debug-defun-at-point)
+  (cider-mode-map "C-c M-;" #'cider-pprint-eval-defun-to-comment)
   (cider-repl-mode-map "C-c C-l" #'cider-repl-clear-buffer))
 
 (provide 'init-clojure)