Test non_lifetime_binder_in_neg_trait_impl_where_clause_fail
Source location: tests/basic_tests.rs:191
#[test]
fn non_lifetime_binder_in_neg_trait_impl_where_clause_fail() {
FormalityTest::new(crates![crate core {
trait A<T> where T: B { }
trait B { }
impl<T> !A<T> for u32 where for<U> u32: A<U> { }
}])
.err(expect_test::expect![[r#"
the rule "check crate" at (mod.rs) failed because
non lifetime binders require #![feature(non_lifetime_binders)]"#]])
}
Rules proved (0)
This test records no positive coverage.
Premises failed (2)
The last column links to the premise’s page when the judgment view counts this failure against that premise. It does not when the premise is read as infallible, or when the failure was blamed inside a multi-line premise that carries no record on its own first line.
| Judgment | Rule | Premise | All tests of this premise |
|---|---|---|---|
| check_all_crates | check all prefixes | for_all(i in 0..crates.len()) (let program = cra… (line 51, blamed at line 53) | not counted by the judgment view |
| check_crate | check crate | check_for_non_lifetime_binders(c) => () (line 71) | 6 tests |