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-rw-r--r--testsuite/tests/typecheck/T11342/T11342f.hs26
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diff --git a/testsuite/tests/typecheck/T11342/T11342f.hs b/testsuite/tests/typecheck/T11342/T11342f.hs
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+{-# LANGUAGE AllowAmbiguousTypes #-}
+{-# LANGUAGE DataKinds #-}
+{-# LANGUAGE TypeApplications #-}
+{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE ScopedTypeVariables #-}
+{-# LANGUAGE RankNTypes #-}
+
+module T11342f where
+
+import Data.Proxy
+import GHC.TypeLits
+
+f :: forall str a b. (KnownChar a, KnownSymbol b, ConsSymbol a b ~ str) => (Char, String)
+f = (charVal @a Proxy, symbolVal @b Proxy)
+
+f' :: (Char, String)
+f' = f @"hello"
+
+g :: forall str. (KnownSymbol str, UnconsSymbol str ~ 'Nothing) => String
+g = symbolVal @str Proxy
+
+h :: forall a tail str. (KnownSymbol tail, KnownChar a, UnconsSymbol str ~ 'Just '(a, tail) ) => (Char, String)
+h = (charVal @a Proxy, symbolVal @tail Proxy)
+
+h' :: (Char, String)
+h' = h @'h' @"ello"