[task] bqn-mode-map.el: improvements

As taken from #22

bqn-mode-map.el

@@ -14,35 +14,27 @@
 
 ;;; Code:
 
-(eval-and-compile
-  (defun bqn-mode-map--make-key-command-sym (n)
-    (intern (concat "insert-sym-bqn-" n))))
+(defun bqn-mode-map--command-name (name)
+  "Return a symbol for the command NAME."
+  (intern (concat "bqn-insert-sym-" name)))
 
-(cl-macrolet ((make-insert-functions ()
-             `(progn
-                ,@(mapcar (lambda (command)
-                              `(defun ,(bqn-mode-map--make-key-command-sym (car command)) ()
-                                 (interactive)
-                                 (insert ,(cadr command))))
-                          bqn-symbols--list))))
-  (make-insert-functions))
-
-(defun bqn-mode-map--kbd (definition)
-  "Function wrapper for `kbd' with arg DEFINITION."
-  (if (functionp #'kbd)
-      (kbd definition)
-    (eval `(kbd ,definition))))
+(pcase-dolist (`(,name ,symbol ,_) bqn-symbols--list)
+  (defalias (bqn-mode-map--command-name name)
+    (lambda ()
+      (interactive)
+      (insert symbol))))
 
 (defun bqn-mode-map--make-base (prefix)
   "Create a new keymap using the key PREFIX."
   (let ((map (make-sparse-keymap)))
-    (dolist (command bqn-symbols--list)
-      (let ((key (single-key-description (caddr command))))
-        (define-key map (bqn-mode-map--kbd (concat prefix key)) (bqn-mode-map--make-key-command-sym (car command)))))
+    (pcase-dolist (`(,name ,_ ,key) bqn-symbols--list)
+      (let ((cmd (bqn-mode-map--command-name name))
+            (key (single-key-description key)))
+        (define-key map (kbd (concat prefix key)) cmd)))
     (define-key map [menu-bar bqn] (cons "BQN" (make-sparse-keymap "BQN")))
     map))
 
-;; value gets updated by initialization of bqn-mode-map-prefix
+;; value gets updated by initialization of `bqn-mode-map-prefix'
 (defvar bqn-mode-map--keymap nil
   "The keymap for ‘bqn-mode’.")
 
@@ -52,15 +44,15 @@
   (setq bqn-mode-map--keymap (bqn-mode-map--make-base new)))
 
 (defcustom bqn-mode-map-prefix "s-"
-  "This stores the keymap prefix for ‘bqn-mode-map--keymap’.
+  "This stores the keymap prefix for `bqn-mode-map--keymap'.
 It is used both to store the new value using
-‘set-create’ and to update ‘bqn-mode-map--keymap’ using
+`set-create’ and to update `bqn-mode-map--keymap' using
 `bqn-mode-map--make-base'. Kill and restart your BQN buffers
 to reflect the change."
   :type 'string
   :group 'bqn
-  :set 'bqn-mode-map--set-prefix
-  :initialize 'custom-initialize-set)
+  :set #'bqn-mode-map--set-prefix
+  :initialize #'custom-initialize-set)
 
 (provide 'bqn-mode-map)