rust/tests/ui/higher-ranked/leak-check/leak-check-in-selection-2.old.stderr
lcnr 4fa5fb684e move leak check out of candidate evaluation
this prevents higher ranked goals from guiding selection
2024-04-03 22:32:46 +01:00

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error[E0283]: type annotations needed
--> $DIR/leak-check-in-selection-2.rs:16:5
|
LL | impls_trait::<(), _>();
| ^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `U` declared on the function `impls_trait`
|
note: multiple `impl`s satisfying `for<'a> (): Trait<&'a str, _>` found
--> $DIR/leak-check-in-selection-2.rs:9:1
|
LL | impl<'a> Trait<&'a str, &'a str> for () {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |
LL | impl<'a> Trait<&'a str, String> for () {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: required by a bound in `impls_trait`
--> $DIR/leak-check-in-selection-2.rs:13:19
|
LL | fn impls_trait<T: for<'a> Trait<&'a str, U>, U>() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `impls_trait`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0283`.