diff options
Diffstat (limited to 'testsuite/tests/typecheck/should_compile/GivenTypeSynonym.hs')
-rw-r--r-- | testsuite/tests/typecheck/should_compile/GivenTypeSynonym.hs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_compile/GivenTypeSynonym.hs b/testsuite/tests/typecheck/should_compile/GivenTypeSynonym.hs new file mode 100644 index 0000000000..918eb788b3 --- /dev/null +++ b/testsuite/tests/typecheck/should_compile/GivenTypeSynonym.hs @@ -0,0 +1,14 @@ +{-# LANGUAGE TypeFamilies #-}
+module Main where
+
+data A a
+
+type T a = A a
+
+
+f :: (A a ~ T Int) => a -> Int
+f x = x
+
+
+main :: IO ()
+main = return ()
\ No newline at end of file |