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+--------------------------------------------------------------------------------
+module Xanthous.Prelude
+  ( module ClassyPrelude
+  , Type
+  , Constraint
+  , module GHC.TypeLits
+  , module Control.Lens
+  , module Data.Void
+  , module Control.Comonad
+
+
+    -- * Classy-Prelude addons
+  , ninsertSet
+  , ndeleteSet
+  , toVector
+  ) where
+--------------------------------------------------------------------------------
+import ClassyPrelude hiding
+  (return, (<|), unsnoc, uncons, cons, snoc, index, (<.>), Index, say)
+import Data.Kind
+import GHC.TypeLits hiding (Text)
+import Control.Lens hiding (levels, Level)
+import Data.Void
+import Control.Comonad
+--------------------------------------------------------------------------------
+
+ninsertSet
+  :: (IsSet set, MonoPointed set)
+  => Element set -> NonNull set -> NonNull set
+ninsertSet x xs = impureNonNull $ opoint x `union` toNullable xs
+
+ndeleteSet :: IsSet b => Element b -> NonNull b -> b
+ndeleteSet x = deleteSet x . toNullable
+
+toVector :: (MonoFoldable (f a), Element (f a) ~ a) => f a -> Vector a
+toVector = fromList . toList