@@ -32,7 +32,7 @@ module Data.Attoparsec.Text.FastSet
3232
3333import Data.Bits ((.|.), (.&.), shiftR)
3434import Data.Function (on)
35−import Data.List (sort, sortBy)
35+import Data.List (sort, sortBy, foldl')
3636import qualified Data.Array.Base as AB
3737import qualified Data.Array.Unboxed as A
3838import qualified Data.Text as T