Add flycheck + company completion to swift-mode

Cask

@@ -211,6 +211,7 @@
 
 ;; Swift -- modules/module-swift.el
 (depends-on "swift-mode")
+(depends-on "company-sourcekit" :git "https://github.com/nathankot/company-sourcekit")
 
 ;; Vim -- modules/module-vim.el
 (depends-on "vimrc-mode")

modules/module-swift.el

@@ -2,9 +2,13 @@
 
 (use-package swift-mode
   :mode "\\.swift$"
+  :init
+  (add-hook! swift-mode 'flycheck-mode)
   :config
   (after! flycheck (add-to-list 'flycheck-checkers 'swift))
-  (after! company  (define-company-backend! swift-mode (xcode))))
+  (after! company
+    (require 'company-sourcekit)
+    (define-company-backend! swift-mode (sourcekit yasnippet))))
 
 ;; TODO Set up emacs task runners for fruitstrap