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Diffstat (limited to 'testsuite/tests/gadt/T3169.stderr')
| -rw-r--r-- | testsuite/tests/gadt/T3169.stderr | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/tests/gadt/T3169.stderr b/testsuite/tests/gadt/T3169.stderr new file mode 100644 index 0000000000..d5c658f71a --- /dev/null +++ b/testsuite/tests/gadt/T3169.stderr @@ -0,0 +1,18 @@ + +T3169.hs:13:22: + Could not deduce (elt ~ Map b elt) + from the context (Key a, Key b) + bound by the instance declaration at T3169.hs:10:10-36 + ‛elt’ is a rigid type variable bound by + the type signature for + lookup :: (a, b) -> Map (a, b) elt -> Maybe elt + at T3169.hs:12:3 + Expected type: Map a (Map b elt) + Actual type: Map (a, b) elt + Relevant bindings include + m :: Map (a, b) elt (bound at T3169.hs:12:17) + b :: b (bound at T3169.hs:12:13) + lookup :: (a, b) -> Map (a, b) elt -> Maybe elt + (bound at T3169.hs:12:3) + In the second argument of ‛lookup’, namely ‛m’ + In the expression: lookup a m :: Maybe (Map b elt) |