Use nub' instead of nub in some places, remove some unused nub imports

2 files changed, 3 insertions, 3 deletions

diff --git a/src/runtime/haskell/PGF/Forest.hs b/src/runtime/haskell/PGF/Forest.hs
index 3c4272317..5cb4ccf51 100644
--- a/src/runtime/haskell/PGF/Forest.hs
+++ b/src/runtime/haskell/PGF/Forest.hs
@@ -32,7 +32,7 @@ import qualified Data.IntSet as IntSet
 import qualified Data.IntMap as IntMap

 import Control.Monad

 import Control.Monad.State

-import GF.Data.SortedList

+import GF.Data.Utilities (nub')

 

 data Forest

   = Forest

@@ -121,7 +121,7 @@ getAbsTrees (Forest abs cnc forest root) arg@(PArg _ fid) ty dp =
                                  generateForForest (prove dp) e) emptyMetaStore fid

   in if null res

        then Left  (nub err)

-       else Right (nub [e | (_,_,e) <- res])

+       else Right (nub' [e | (_,_,e) <- res])

   where

     go rec_ scope_ mb_tty_ (PArg hypos fid)

       | fid < totalCats cnc = case mb_tty of

diff --git a/src/runtime/haskell/PGF/Optimize.hs b/src/runtime/haskell/PGF/Optimize.hs
index 833684fe0..a339c9add 100644
--- a/src/runtime/haskell/PGF/Optimize.hs
+++ b/src/runtime/haskell/PGF/Optimize.hs
@@ -8,7 +8,7 @@ import PGF.CId
 import PGF.Data
 import PGF.Macros
 import Data.Maybe
-import Data.List (mapAccumL, nub)
+import Data.List (mapAccumL)
 import Data.Array.IArray
 import Data.Array.MArray
 import Data.Array.ST