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Diffstat (limited to 'compiler/utils/UniqMap.hs')
| -rw-r--r-- | compiler/utils/UniqMap.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/utils/UniqMap.hs b/compiler/utils/UniqMap.hs index 5bd609e597..c0960dd5b2 100644 --- a/compiler/utils/UniqMap.hs +++ b/compiler/utils/UniqMap.hs @@ -49,7 +49,7 @@ import UniqFM import Unique import Outputable -import Data.Semigroup ( Semigroup(..) ) +import Data.Semigroup as Semi ( Semigroup(..) ) import Data.Coerce import Data.Maybe import Data.Typeable @@ -65,7 +65,7 @@ instance Semigroup (UniqMap k a) where instance Monoid (UniqMap k a) where mempty = emptyUniqMap - mappend = plusUniqMap + mappend = (Semi.<>) instance (Outputable k, Outputable a) => Outputable (UniqMap k a) where ppr (UniqMap m) = |