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-rw-r--r--testsuite/tests/concurrent/prog002/Thread.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/prog002/Thread.hs b/testsuite/tests/concurrent/prog002/Thread.hs
index 9e342ac977..301e8441b6 100644
--- a/testsuite/tests/concurrent/prog002/Thread.hs
+++ b/testsuite/tests/concurrent/prog002/Thread.hs
@@ -14,6 +14,13 @@ data ThreadTree req rsp m =
----------------------------------
newtype ContM req rsp m a = ContM ((a-> ThreadTree req rsp m)-> ThreadTree req rsp m)
+instance Functor (ContM req rsp m) where
+ fmap = undefined
+
+instance Applicative (ContM req rsp m) where
+ pure = undefined
+ (<*>) = undefined
+
instance Monad m => Monad (ContM req rsp m) where
m >>= f = contmBind m f
return = contmReturn