diff options
Diffstat (limited to 'testsuite/tests/patsyn')
| -rw-r--r-- | testsuite/tests/patsyn/should_fail/T15685.stderr | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/testsuite/tests/patsyn/should_fail/T15685.stderr b/testsuite/tests/patsyn/should_fail/T15685.stderr index 13fc5a81ec..7f01ebc479 100644 --- a/testsuite/tests/patsyn/should_fail/T15685.stderr +++ b/testsuite/tests/patsyn/should_fail/T15685.stderr @@ -1,9 +1,21 @@ T15685.hs:13:24: error: - • Kind mismatch: cannot unify (f :: a -> *) with: + • Couldn't match kind ‘a1’ with ‘[k0]’ + ‘a1’ is untouchable + inside the constraints: as ~ (a2 : as1) + bound by a pattern with constructor: + Here :: forall {a1} (f :: a1 -> *) (a2 :: a1) (as :: [a1]). + f a2 -> NS f (a2 : as), + in a pattern synonym declaration + at T15685.hs:13:19-26 + ‘a1’ is a rigid type variable bound by + the inferred type of HereNil :: NS f as + at T15685.hs:13:9-15 + Possible fix: add a type signature for ‘HereNil’ + When matching types + f :: a1 -> * NP a0 :: [k0] -> * - Their kinds differ. - Expected type: f a1 + Expected type: f a2 Actual type: NP a0 b0 • In the pattern: Nil In the pattern: Here Nil |