fix ghc 8.2 build

This commit is contained in:
Jude Taylor 2018-09-02 15:20:17 -07:00
parent 368f7e038c
commit 84e0594139

View file

@ -17,7 +17,7 @@ import Data.Fix
import Data.HashMap.Lazy (HashMap)
import qualified Data.HashMap.Lazy as M
import Data.List (sortOn)
import Data.Monoid (Endo)
import Data.Monoid (Endo, (<>))
import Data.Text (Text)
import qualified Data.Text as Text
import qualified Data.Vector as V