@@ -4,6 +4,7 @@
4{-# LANGUAGE FlexibleContexts #-}
4{-# LANGUAGE FlexibleContexts #-}
5{-# LANGUAGE FlexibleInstances #-}
5{-# LANGUAGE FlexibleInstances #-}
6{-# LANGUAGE MultiParamTypeClasses #-}
6{-# LANGUAGE MultiParamTypeClasses #-}
7+{-# LANGUAGE NullaryTypeClasses #-}
7{-# LANGUAGE ScopedTypeVariables #-}
8{-# LANGUAGE ScopedTypeVariables #-}
8{-# LANGUAGE TemplateHaskell #-}
9{-# LANGUAGE TemplateHaskell #-}
9{-# LANGUAGE TypeFamilies #-}
10{-# LANGUAGE TypeFamilies #-}