rust/tests/ui/nll/member-constraints/min-choice-reject-ambiguous.stderr
2023-10-08 10:06:17 +00:00

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error[E0309]: the parameter type `T` may not live long enough
--> $DIR/min-choice-reject-ambiguous.rs:17:5
|
LL | fn test_b<'a, 'b, 'c, T>() -> impl Cap<'a> + Cap<'b> + Cap<'c>
| -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL | type_test::<'_, T>() // This should pass if we pick 'b.
| ^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound
|
LL | T: 'b + 'a,
| ++++
error[E0309]: the parameter type `T` may not live long enough
--> $DIR/min-choice-reject-ambiguous.rs:28:5
|
LL | fn test_c<'a, 'b, 'c, T>() -> impl Cap<'a> + Cap<'b> + Cap<'c>
| -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
...
LL | type_test::<'_, T>() // This should pass if we pick 'c.
| ^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound
|
LL | T: 'c + 'a,
| ++++
error[E0700]: hidden type for `impl Cap<'b> + Cap<'c>` captures lifetime that does not appear in bounds
--> $DIR/min-choice-reject-ambiguous.rs:39:5
|
LL | fn test_ambiguous<'a, 'b, 'c>(s: &'a u8) -> impl Cap<'b> + Cap<'c>
| -- ---------------------- opaque type defined here
| |
| hidden type `&'a u8` captures the lifetime `'a` as defined here
...
LL | s
| ^
|
help: to declare that `impl Cap<'b> + Cap<'c>` captures `'a`, you can add an explicit `'a` lifetime bound
|
LL | fn test_ambiguous<'a, 'b, 'c>(s: &'a u8) -> impl Cap<'b> + Cap<'c> + 'a
| ++++
error: aborting due to 3 previous errors
Some errors have detailed explanations: E0309, E0700.
For more information about an error, try `rustc --explain E0309`.