diff options
Diffstat (limited to 'testsuite')
| -rw-r--r-- | testsuite/tests/polykinds/T10570.hs | 11 | ||||
| -rw-r--r-- | testsuite/tests/polykinds/T10570.stderr | 9 | ||||
| -rw-r--r-- | testsuite/tests/polykinds/T9106.stderr | 3 | ||||
| -rw-r--r-- | testsuite/tests/polykinds/all.T | 1 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T2247.stderr | 3 | ||||
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/tcfail170.stderr | 3 |
6 files changed, 27 insertions, 3 deletions
diff --git a/testsuite/tests/polykinds/T10570.hs b/testsuite/tests/polykinds/T10570.hs new file mode 100644 index 0000000000..259a32bd6c --- /dev/null +++ b/testsuite/tests/polykinds/T10570.hs @@ -0,0 +1,11 @@ +{-# LANGUAGE FunctionalDependencies, PolyKinds, FlexibleInstances #-} + +module T10570 where + +import Data.Proxy + +class ConsByIdx2 x a m cls | x -> m where + consByIdx2 :: x -> a -> m cls + +instance ConsByIdx2 Int a Proxy cls where + consByIdx2 _ _ = Proxy diff --git a/testsuite/tests/polykinds/T10570.stderr b/testsuite/tests/polykinds/T10570.stderr new file mode 100644 index 0000000000..f40ed10ce4 --- /dev/null +++ b/testsuite/tests/polykinds/T10570.stderr @@ -0,0 +1,9 @@ + +T10570.hs:10:10: error: + Illegal instance declaration for ‘ConsByIdx2 Int a Proxy cls’ + The coverage condition fails in class ‘ConsByIdx2’ + for functional dependency: ‘x -> m’ + Reason: lhs type ‘Int’ does not determine rhs type ‘Proxy’ + Un-determined variable: k + (Use -fprint-explicit-kinds to see the kind variables in the types) + In the instance declaration for ‘ConsByIdx2 Int a Proxy cls’ diff --git a/testsuite/tests/polykinds/T9106.stderr b/testsuite/tests/polykinds/T9106.stderr index 0b239f2ea4..bbb363349e 100644 --- a/testsuite/tests/polykinds/T9106.stderr +++ b/testsuite/tests/polykinds/T9106.stderr @@ -1,8 +1,9 @@ -T9106.hs:13:10: +T9106.hs:13:10: error: Illegal instance declaration for ‘FunctorN n f a (f fa)’ The liberal coverage condition fails in class ‘FunctorN’ for functional dependency: ‘n f a -> fa’ Reason: lhs types ‘n’, ‘f’, ‘a’ do not jointly determine rhs type ‘f fa’ + Un-determined variable: fa In the instance declaration for ‘FunctorN n f a (f fa)’ diff --git a/testsuite/tests/polykinds/all.T b/testsuite/tests/polykinds/all.T index 95f0d8321a..8a8f8b5f58 100644 --- a/testsuite/tests/polykinds/all.T +++ b/testsuite/tests/polykinds/all.T @@ -118,3 +118,4 @@ test('T10041', normal, compile, ['']) test('T10451', normal, compile_fail, ['']) test('T10516', normal, compile_fail, ['']) test('T10503', normal, compile_fail, ['']) +test('T10570', normal, compile_fail, ['']) diff --git a/testsuite/tests/typecheck/should_fail/T2247.stderr b/testsuite/tests/typecheck/should_fail/T2247.stderr index edf4246b46..54a6c2a23d 100644 --- a/testsuite/tests/typecheck/should_fail/T2247.stderr +++ b/testsuite/tests/typecheck/should_fail/T2247.stderr @@ -1,7 +1,8 @@ -T2247.hs:6:10: +T2247.hs:6:10: error: Illegal instance declaration for ‘FD a b’ The liberal coverage condition fails in class ‘FD’ for functional dependency: ‘a -> b’ Reason: lhs type ‘a’ does not determine rhs type ‘b’ + Un-determined variable: b In the instance declaration for ‘FD a b’ diff --git a/testsuite/tests/typecheck/should_fail/tcfail170.stderr b/testsuite/tests/typecheck/should_fail/tcfail170.stderr index bb952ba374..77e2ca3bfb 100644 --- a/testsuite/tests/typecheck/should_fail/tcfail170.stderr +++ b/testsuite/tests/typecheck/should_fail/tcfail170.stderr @@ -1,7 +1,8 @@ -tcfail170.hs:7:10: +tcfail170.hs:7:10: error: Illegal instance declaration for ‘C [p] [q]’ The coverage condition fails in class ‘C’ for functional dependency: ‘a -> b’ Reason: lhs type ‘[p]’ does not determine rhs type ‘[q]’ + Un-determined variable: q In the instance declaration for ‘C [p] [q]’ |