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Diffstat (limited to 'testsuite/tests/typecheck/should_fail/T21158.stderr')
| -rw-r--r-- | testsuite/tests/typecheck/should_fail/T21158.stderr | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/T21158.stderr b/testsuite/tests/typecheck/should_fail/T21158.stderr new file mode 100644 index 0000000000..88394ad2e9 --- /dev/null +++ b/testsuite/tests/typecheck/should_fail/T21158.stderr @@ -0,0 +1,29 @@ + +T21158.hs:12:14: error: + • Couldn't match type: F b0 + with: F b + Expected: [F b] + Actual: [F b0] + NB: ‘F’ is a non-injective type family + The type variable ‘b0’ is ambiguous + • In a record update at field ‘x’, + with type constructor ‘T’ + and data constructor ‘MkT’. + In the expression: emptyT {x = newx} + In an equation for ‘foo1’: foo1 newx = emptyT {x = newx} + • Relevant bindings include + foo1 :: [Int] -> T b (bound at T21158.hs:12:1) + +T21158.hs:15:49: error: + • Couldn't match type: F b1 + with: F b + Expected: [F b] + Actual: [F b1] + NB: ‘F’ is a non-injective type family + The type variable ‘b1’ is ambiguous + • In the second argument of ‘MkT’, namely ‘y’ + In the expression: MkT newx y + In a case alternative: MkT x y -> MkT newx y + • Relevant bindings include + y :: [F b1] (bound at T21158.hs:15:35) + foo2 :: [Int] -> T b (bound at T21158.hs:15:1) |