diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_fail/tcfail198.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail198.hs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail198.hs b/testsuite/tests/typecheck/should_fail/tcfail198.hs new file mode 100644 index 0000000000..658545e9b2 --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/tcfail198.hs @@ -0,0 +1,7 @@ +{-# LANGUAGE ScopedTypeVariables #-} + +module ShouldFail where + +f3 :: forall a. [a] -> [a] +Just f3 = Just (\(x:xs) -> xs ++ [ x :: a ]) -- Not OK! + -- The type variable does not scope in a pattern binding |