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Diffstat (limited to 'testsuite/tests/ghci/scripts/T21088.hs')
| -rw-r--r-- | testsuite/tests/ghci/scripts/T21088.hs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testsuite/tests/ghci/scripts/T21088.hs b/testsuite/tests/ghci/scripts/T21088.hs new file mode 100644 index 0000000000..efe4e8ab93 --- /dev/null +++ b/testsuite/tests/ghci/scripts/T21088.hs @@ -0,0 +1,29 @@ +{-# LANGUAGE PolyKinds, DataKinds, ScopedTypeVariables #-} + +module T21088 where + +import Data.Proxy + ( Proxy(..) ) +import GHC.Exts + ( TYPE, RuntimeRep ) + +-- We don't change the order of quantification, +-- so we check we are not instantiating `r1` but not `r2`, +-- which would be quite confusing. +foo :: forall {r1 :: RuntimeRep} (a1 :: TYPE r1) + {r2 :: RuntimeRep} (a2 :: TYPE r2) + . Proxy a1 -> Proxy a2 +foo _ = Proxy + +bar :: forall {r1 :: RuntimeRep} {r2 :: RuntimeRep} + (a1 :: TYPE r1) (a2 :: TYPE r2) + . Proxy a1 -> Proxy a2 +bar _ = Proxy + +baz :: forall {k1} (a1 :: k1) {k2} (a2 :: k2) + . Proxy a1 -> Proxy a2 +baz _ = Proxy + +quux :: forall {k1} {k2} (a1 :: k1) (a2 :: k2) + . Proxy a1 -> Proxy a2 +quux _ = Proxy |