diff options
Diffstat (limited to 'compiler/utils')
| -rw-r--r-- | compiler/utils/OrdList.hs | 9 | ||||
| -rw-r--r-- | compiler/utils/UniqFM.hs | 9 |
2 files changed, 18 insertions, 0 deletions
diff --git a/compiler/utils/OrdList.hs b/compiler/utils/OrdList.hs index 4591b55978..f5362bb27f 100644 --- a/compiler/utils/OrdList.hs +++ b/compiler/utils/OrdList.hs @@ -21,6 +21,10 @@ import Outputable #if __GLASGOW_HASKELL__ < 709 import Data.Monoid ( Monoid(..) ) #endif +#if __GLASGOW_HASKELL__ > 710 +import Data.Semigroup ( Semigroup ) +import qualified Data.Semigroup as Semigroup +#endif infixl 5 `appOL` infixl 5 `snocOL` @@ -38,6 +42,11 @@ data OrdList a instance Outputable a => Outputable (OrdList a) where ppr ol = ppr (fromOL ol) -- Convert to list and print that +#if __GLASGOW_HASKELL__ > 710 +instance Semigroup (OrdList a) where + (<>) = appOL +#endif + instance Monoid (OrdList a) where mempty = nilOL mappend = appOL diff --git a/compiler/utils/UniqFM.hs b/compiler/utils/UniqFM.hs index db578c37d0..fa556fb2b1 100644 --- a/compiler/utils/UniqFM.hs +++ b/compiler/utils/UniqFM.hs @@ -84,6 +84,10 @@ import Data.Data #if __GLASGOW_HASKELL__ < 709 import Data.Monoid #endif +#if __GLASGOW_HASKELL__ > 710 +import Data.Semigroup ( Semigroup ) +import qualified Data.Semigroup as Semigroup +#endif {- ************************************************************************ @@ -202,6 +206,11 @@ ufmToList :: UniqFM elt -> [(Unique, elt)] ************************************************************************ -} +#if __GLASGOW_HASKELL__ > 710 +instance Semigroup (UniqFM a) where + (<>) = plusUFM +#endif + instance Monoid (UniqFM a) where mempty = emptyUFM mappend = plusUFM |