1 files changed, 12 insertions, 8 deletions
diff --git a/src/Plugin/Factorial.hs b/src/Plugin/Factorial.hs
index 9284fe7..9d7a169 100644
--- a/src/Plugin/Factorial.hs
+++ b/src/Plugin/Factorial.hs
@@ -7,20 +7,24 @@ module Plugin.Factorial
 import Text.Regex.TDFA ((=~))
 import TextShow (showt)
 
+import Bot (Bot)
 import qualified Message as M
 import Plugin.Base
 
-factorial = defaultPlugin
-    { matchRegex  = "^([0-9]+)!$"
-    , perform     = factorialAction
-    , command     = "<integer>!"
-    , description = "Calculate the factorial of <integer> for whole numbers \
-        \up to 35000."
-    }
+factorial :: Bot Plugin
+factorial = do
+    return defaultPlugin
+        { matchRegex  = "^([0-9]+)!$"
+        , perform     = factorialAction
+        , command     = "<integer>!"
+        , description = "Calculate the factorial of <integer> for whole numbers \
+            \up to 35000."
+        }
 
 factorialAction :: PluginAction
 factorialAction message = do
-    case M.textStr message =~ matchRegex factorial :: [[String]] of
+    plugin <- factorial
+    case M.textStr message =~ matchRegex plugin :: [[String]] of
         []    -> return $ Left "I didn't understand"
         (m:_) -> do
             let number = last m