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author | Richard Eisenberg <rae@cs.brynmawr.edu> | 2018-10-29 10:01:15 -0400 |
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committer | Richard Eisenberg <rae@cs.brynmawr.edu> | 2018-10-29 12:12:48 -0400 |
commit | 2adffd854effc0708b9fb268749aceaf3c20a169 (patch) | |
tree | b9ec32482674a7cd2aa791e86fa0de7758fbd3a0 | |
parent | 731c95f5167246aecd2205743a9b0d8d21bcccf9 (diff) | |
download | haskell-2adffd854effc0708b9fb268749aceaf3c20a169.tar.gz |
Test #15076 in dependent/should_compile/T15076*
-rw-r--r-- | testsuite/tests/dependent/should_compile/T15076.hs | 13 | ||||
-rw-r--r-- | testsuite/tests/dependent/should_compile/T15076.stderr | 12 | ||||
-rw-r--r-- | testsuite/tests/dependent/should_compile/T15076b.hs | 11 | ||||
-rw-r--r-- | testsuite/tests/dependent/should_compile/T15076c.hs | 16 | ||||
-rw-r--r-- | testsuite/tests/dependent/should_compile/all.T | 3 |
5 files changed, 55 insertions, 0 deletions
diff --git a/testsuite/tests/dependent/should_compile/T15076.hs b/testsuite/tests/dependent/should_compile/T15076.hs new file mode 100644 index 0000000000..0890cf9eab --- /dev/null +++ b/testsuite/tests/dependent/should_compile/T15076.hs @@ -0,0 +1,13 @@ +{-# LANGUAGE RankNTypes #-} +{-# LANGUAGE ScopedTypeVariables #-} +{-# LANGUAGE TypeInType #-} +{-# LANGUAGE PartialTypeSignatures #-} +module Bug where + +import Data.Kind +import Data.Proxy + +foo :: forall (a :: Type) + (f :: forall (x :: a). Proxy x -> Type). + Proxy f -> () +foo (_ :: _) = () diff --git a/testsuite/tests/dependent/should_compile/T15076.stderr b/testsuite/tests/dependent/should_compile/T15076.stderr new file mode 100644 index 0000000000..43f4772362 --- /dev/null +++ b/testsuite/tests/dependent/should_compile/T15076.stderr @@ -0,0 +1,12 @@ + +T15076.hs:13:11: warning: [-Wpartial-type-signatures (in -Wdefault)] + • Found type wildcard ‘_’ standing for ‘Proxy f’ + Where: ‘f’, ‘a’ are rigid type variables bound by + the type signature for: + foo :: forall a (f :: forall (x :: a). Proxy x -> *). Proxy f -> () + at T15076.hs:(10,1)-(12,20) + • In a pattern type signature: _ + In the pattern: _ :: _ + In an equation for ‘foo’: foo (_ :: _) = () + • Relevant bindings include + foo :: Proxy f -> () (bound at T15076.hs:13:1) diff --git a/testsuite/tests/dependent/should_compile/T15076b.hs b/testsuite/tests/dependent/should_compile/T15076b.hs new file mode 100644 index 0000000000..15fce826c0 --- /dev/null +++ b/testsuite/tests/dependent/should_compile/T15076b.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE RankNTypes #-} +{-# LANGUAGE TypeInType #-} +module Bug where + +import Data.Kind +import Data.Proxy + +foo :: forall (a :: Type) + (f :: forall (x :: a). Proxy x -> Type). + Proxy f -> () +foo _ = () diff --git a/testsuite/tests/dependent/should_compile/T15076c.hs b/testsuite/tests/dependent/should_compile/T15076c.hs new file mode 100644 index 0000000000..b689b5b6f0 --- /dev/null +++ b/testsuite/tests/dependent/should_compile/T15076c.hs @@ -0,0 +1,16 @@ +{-# LANGUAGE PolyKinds, MultiParamTypeClasses, GADTs, ScopedTypeVariables, + TypeOperators #-} +{-# OPTIONS_GHC -fno-warn-redundant-constraints #-} + +module Super where + +import Data.Kind +import Data.Proxy +import GHC.Prim + +class (a ~ b) => C a b +data SameKind :: k -> k -> Type where + SK :: SameKind a b + +bar :: forall (a :: Type) (b :: Type). C a b => Proxy a -> Proxy b -> () +bar _ _ = const () (undefined :: forall (x :: a) (y :: b). SameKind x y) diff --git a/testsuite/tests/dependent/should_compile/all.T b/testsuite/tests/dependent/should_compile/all.T index 16c6d13ba9..341a44c8f3 100644 --- a/testsuite/tests/dependent/should_compile/all.T +++ b/testsuite/tests/dependent/should_compile/all.T @@ -61,3 +61,6 @@ test('T14880-2', normal, compile, ['']) test('T15743', normal, compile, ['-ddump-types -fprint-explicit-foralls']) test('InferDependency', normal, compile, ['']) test('T15743e', normal, compile, ['-ddump-types -fprint-explicit-foralls']) +test('T15076', normal, compile, ['']) +test('T15076b', normal, compile, ['']) +test('T15076c', normal, compile, ['']) |