fixup

packages/treesit.el

@@ -12,7 +12,7 @@
     :requires treesit
     :hook
     (rust-ts-mode . (lambda ()
-                      (when (featurep 'rust-mode)
-                        (add-hook before-save-hook rust-before-save-method)
-                        (add-hook after-save-hook rust-after-save-method)
+                      (when (require 'rust-mode nil t)
+                        (add-hook 'before-save-hook 'rust-before-save-method nil t)
+                        (add-hook 'after-save-hook 'rust-after-save-method nil t)
                         (use-local-map (make-composed-keymap (list rust-ts-mode-map rust-mode-map)))))))