diff options
Diffstat (limited to 'testsuite/tests/indexed-types/should_compile/GivenCheckDecomp.hs')
| -rw-r--r-- | testsuite/tests/indexed-types/should_compile/GivenCheckDecomp.hs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_compile/GivenCheckDecomp.hs b/testsuite/tests/indexed-types/should_compile/GivenCheckDecomp.hs new file mode 100644 index 0000000000..3d2492770d --- /dev/null +++ b/testsuite/tests/indexed-types/should_compile/GivenCheckDecomp.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE TypeFamilies #-} + +module GivenCheckDecomp where + +type family S x + +f :: a -> S a +f = undefined + +g :: [S a] ~ [Char] => a -> Char +g y | 'a' == 'b' = f y |