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Diffstat (limited to 'testsuite/tests/typecheck/should_compile/tc198.hs')
| -rw-r--r-- | testsuite/tests/typecheck/should_compile/tc198.hs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/tc198.hs b/testsuite/tests/typecheck/should_compile/tc198.hs new file mode 100644 index 0000000000..e931ac5cb8 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/tc198.hs @@ -0,0 +1,9 @@ +{-# LANGUAGE Rank2Types, ScopedTypeVariables #-} + +-- This should work, because the type sig and the type +-- in the pattern match exactly + +module Foo where + +foo :: (forall a. a -> b) -> b +foo (f :: forall a. a -> b) = f undefined :: b |