diff options
Diffstat (limited to 'testsuite/tests/deriving/should_fail/drvfail-foldable-traversable1.hs')
-rw-r--r-- | testsuite/tests/deriving/should_fail/drvfail-foldable-traversable1.hs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_fail/drvfail-foldable-traversable1.hs b/testsuite/tests/deriving/should_fail/drvfail-foldable-traversable1.hs new file mode 100644 index 0000000000..ced3f98c63 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/drvfail-foldable-traversable1.hs @@ -0,0 +1,21 @@ +{-# LANGUAGE DeriveFunctor, DeriveFoldable, DeriveTraversable #-} +module ShouldFail where + +import Data.Foldable +import Data.Traversable + +-- Derive Traversable without Functor +data Trivial1 a = Trivial1 a + deriving (Foldable,Traversable) + +-- Derive Traversable without Foldable +data Trivial2 a = Trivial2 a + deriving (Functor,Traversable) + +-- Foldable with function type +data Infinite a = Infinite (Int -> a) + deriving (Functor,Foldable,Traversable) + +-- Foldable with function type +data Cont r a = Cont ((a -> r) -> r) + deriving (Functor,Foldable,Traversable) |