Emacs: Check if lsp-ui was loaded

.config/emacs/init.org

@@ -2261,27 +2261,10 @@ These help speed eglot up apparently [[https://www.reddit.com/r/emacs/comments/1
     (evil-global-set-key 'normal (kbd "SPC lD") #'consult-lsp-diagnostics)
     (evil-global-set-key 'normal (kbd "SPC lf") #'consult-lsp-file-symbols))
 
-  ;; This function allows us to extract Rust's true function signature
-  ;; (cl-defmethod lsp-clients-extract-signature-on-hover (contents (_server-id (eql rust-analyzer)))
-  ;;   (-let* (((&hash "value") contents)
-  ;;           (groups (--partition-by (s-blank? it) (s-lines (s-trim value))))
-  ;;           (sig_group (if (s-equals? "```rust" (car (-third-item groups)))
-  ;;                          (-third-item groups)
-  ;;                        (car groups)))
-  ;;           (sig (--> sig_group
-  ;;                     (--drop-while (s-equals? "```rust" it) it)
-  ;;                     (--take-while (not (s-equals? "```" it)) it)
-  ;;                     (--map (s-trim it) it)
-  ;;                     (s-join " " it))))
-  ;;     (lsp--render-element (concat "```rust\n" sig "\n```")))
-
-;; (require 'lsp-ui)
-
 #+end_src
 *** Flycheck
 
 #+begin_src emacs-lisp
-;; TODO Add wrapping to these functions
 (require 'flycheck)
 (setq flycheck-check-syntax-automatically '())
 (setq flycheck-keymap-prefix (kbd "C-c e"))
@@ -2291,8 +2274,9 @@ These help speed eglot up apparently [[https://www.reddit.com/r/emacs/comments/1
 
 (defun joe/flycheck-clear ()
   (interactive)
-  (flycheck-clear)
-  (lsp-ui-sideline--erase))
+  (when (boundp 'lsp-ui)
+    (flycheck-clear)
+    (lsp-ui-sideline--erase)))
 
 (add-hook 'after-save-hook #'joe/flycheck-clear)