diff options
Diffstat (limited to 'ghc/compiler/tests/typecheck/should_succeed/tc082.hs')
-rw-r--r-- | ghc/compiler/tests/typecheck/should_succeed/tc082.hs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ghc/compiler/tests/typecheck/should_succeed/tc082.hs b/ghc/compiler/tests/typecheck/should_succeed/tc082.hs new file mode 100644 index 0000000000..f2ccb36736 --- /dev/null +++ b/ghc/compiler/tests/typecheck/should_succeed/tc082.hs @@ -0,0 +1,12 @@ +--!!! tc082: an instance for functions +-- +module N where + +class Normal a + where + normal :: a -> Bool + +instance Normal ( a -> b ) where + normal _ = True + +f x = normal id |