@@ -1,5 +1,6 @@
1{-# LANGUAGE OverloadedStrings #-}
1{-# LANGUAGE OverloadedStrings #-}
2{-# LANGUAGE RecordWildCards #-}
2{-# LANGUAGE RecordWildCards #-}
4module Main ( main ) where
5module Main ( main ) where
@@ -14,7 +15,9 @@ import Data.List
14import Data.Map.Strict ( Map )
15import Data.Map.Strict ( Map )
15import qualified Data.Map.Strict as Map
16import qualified Data.Map.Strict as Map
16import Data.Maybe
17import Data.Maybe
18+#if !MIN_VERSION_base(4,11,0)
17import Data.Monoid
19import Data.Monoid
18import Data.Set ( Set )
21import Data.Set ( Set )
19import qualified Data.Set as Set
22import qualified Data.Set as Set
20import Data.String
23import Data.String