Rust lsp hook

init.el

@@ -150,18 +150,21 @@
 ;; LSP related
 (use-package lsp-haskell)
 (use-package lsp-mode
+  :demand t
   :init
   (setq lsp-keymap-prefix "C-c l")
-	     :hook (
+  :hook
+  (
    (dart-mode . lsp)
    (python-mode . lsp)
    (c-mode . lsp)
    (c++-mode . lsp)
    (haskell-mode . lsp)
-		    (java-mode . lsp))
+   (java-mode . lsp)
+   (rust-mode . lsp)
    ;; which key support v v v
-
    (lsp-mode . lsp-enable-which-key-integration)
+   )
   :commands lsp)
 
 ;; optionally