diff --git a/Data/Vector.hs b/Data/Vector.hs index 8b4c9821c265f7cea6fcab3ae6af10817b1f8a7f..ed54bc2e374a4fb0a68c6e42e5e41a682018a3ac 100644 --- a/Data/Vector.hs +++ b/Data/Vector.hs @@ -355,7 +355,7 @@ instance Monad Vector where #if !(MIN_VERSION_base(4,13,0)) {-# INLINE fail #-} - fail = Fail.fail + fail _ = empty #endif instance Fail.MonadFail Vector where