@@ -4,7 +4,7 @@ module Idris.Core.Constraints ( ucheck ) where
4import Idris.Core.TT ( TC(..), UExp(..), UConstraint(..), FC(..), Err'(..) )
4import Idris.Core.TT ( TC(..), UExp(..), UConstraint(..), FC(..), Err'(..) )
6import Control.Applicative
6import Control.Applicative
7−import Control.Monad.State
7+import Control.Monad.State.Strict
8import qualified Data.Map.Strict as M
8import qualified Data.Map.Strict as M
9import qualified Data.Set as S
9import qualified Data.Set as S