Import MonadPlus if mtl >=2.3

fumieval · Apr 16, 2024 · 4f2ddb9 · 4f2ddb9
1 parent d99276c
commit 4f2ddb9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/extensible-skeleton/src/Data/Extensible/Effect/Default.hs b/extensible-skeleton/src/Data/Extensible/Effect/Default.hs
@@ -34,6 +34,9 @@ module Data.Extensible.Effect.Default (
 ) where
 import Control.Applicative
 import Data.Extensible.Effect
+#if MIN_VERSION_mtl(2,3,0)
+import Control.Monad (MonadPlus)
+#endif
 import Control.Monad.Except
 import Control.Monad.Catch
 import Control.Monad.Cont