Missing mappend in base < 4.11.0

MichelBoucey · Jun 18, 2022 · 173f547 · 173f547
1 parent cd7f6c3
commit 173f547
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Text/IPv6Addr.hs b/Text/IPv6Addr.hs
@@ -36,6 +36,11 @@ import           Data.IP              (IPv6)
 import           Data.List            (elemIndex, elemIndices, group,
                                        intersperse, isSuffixOf)
 import           Data.Maybe           (fromJust, isJust)
+
+#if !MIN_VERSION_base(4,11,0)
+import Data.Monoid ((<>))
+#endif
+
 import qualified Data.Text            as T
 import qualified Data.Text.Read       as R (decimal)