@@ -1,6 +1,3 @@
1−{-# LANGUAGE DeriveFoldable #-}
2−{-# LANGUAGE DeriveFunctor #-}
3−{-# LANGUAGE DeriveTraversable #-}
4{-# LANGUAGE FlexibleContexts #-}
1{-# LANGUAGE FlexibleContexts #-}
5{-# LANGUAGE LambdaCase #-}
2{-# LANGUAGE LambdaCase #-}
6{-# LANGUAGE PatternGuards #-}
3{-# LANGUAGE PatternGuards #-}