[breaking] lang/haskell: refactor + require flags #158

The +intero/+dante module flags are now required; there is no default.

modules/lang/haskell/+intero.el

@@ -12,7 +12,7 @@
   (add-hook! 'intero-mode-hook #'(flycheck-mode eldoc-mode))
 
   (set! :popup "^intero:backend:" :regex t :size 12)
-  (set! :jump :definition #'intero-goto-definition))
+  (set! :jump 'haskell-mode :definition #'intero-goto-definition))
 
 
 (def-package! hindent

modules/lang/haskell/config.el

@@ -1,5 +1,13 @@
 ;;; lang/haskell/config.el -*- lexical-binding: t; -*-
 
+(cond ((featurep! +intero) (load! +intero))
+      ((featurep! +dante)  (load! +dante)))
+
+
+;;
+;; Common plugins
+;;
+
 (def-package! haskell-mode
   :mode "\\.hs$"
   :mode ("\\.ghci$" . ghci-script-mode)
@@ -30,8 +38,3 @@
 
   (setq company-ghc-show-info 'oneline))
 
-
-;;
-(if (featurep! +dante)
-    (load! +dante)
-  (load! +intero))