Add haskell mode, update ocaml mode

languages/haskell.el

@@ -0,0 +1,39 @@
+;;; haskell.el --- summary
+
+;; Author: Maciej Szlosarczyk
+;; Maintainer: Maciej Szlosarczyk
+;; Version: 0.1-snapshot
+
+;;; Commentary:
+
+;; haskell does a thing.
+
+;;; Code:
+
+(require '05prog-mode "$HOME/.emacs.d/05prog-mode.el")
+(require '05flycheck "$HOME/.emacs.d/05flycheck.el")
+(require '05hydra "$HOME/.emacs.d/05hydra.el")
+
+(use-package haskell-mode
+  :ensure t
+  :defer t)
+
+(use-package dante
+  :ensure t
+  :defer t
+  :requires (haskell-mode))
+
+(defun activate-haskell-mode ()
+  "Run this in haskell-mode."
+  (set-indent 2)
+  (column-enforce-n 80)
+
+  ;; Company list override
+  (add-to-list (make-local-variable 'company-backends)
+               '(dante-company company-yasnippet)))
+
+(add-hook 'haskell-mode-hook 'dante-mode)
+(add-hook 'haskell-mode-hook 'activate-haskell-mode)
+
+(provide 'languages/haskell)
+;;; haskell.el ends here