mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-11 08:05:12 +00:00
6efddac288
Expand the primary span of E0277 when the immediate unmet bound is not what the user wrote:
```
error[E0277]: the trait bound `i32: Bar` is not satisfied
--> f100.rs:6:6
|
6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
|
help: this trait has no implementations, consider adding one
--> f100.rs:2:1
|
2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
|
3 | impl<T: Bar> Foo for T {}
| --- ^^^ ^
| |
| unsatisfied trait bound introduced here
```
Fix #40120.
31 lines
1.2 KiB
Plaintext
31 lines
1.2 KiB
Plaintext
error[E0425]: cannot find value `unknown` in this scope
|
|
--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:35
|
|
|
|
|
LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
|
|
| ^^^^^^^ not found in this scope
|
|
|
|
error[E0277]: the trait bound `for<'a> &'a mut Vec<&'a u32>: Foo<'static, i32>` is not satisfied
|
|
--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:6
|
|
|
|
|
LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
|
|
| ^^^ the trait `for<'a> Foo<'static, i32>` is not implemented for `&'a mut Vec<&'a u32>`, which is required by `i32: RefFoo<i32>`
|
|
|
|
|
help: this trait has no implementations, consider adding one
|
|
--> $DIR/dont-autoderef-ty-with-escaping-var.rs:3:1
|
|
|
|
|
LL | trait Foo<'x, T> {}
|
|
| ^^^^^^^^^^^^^^^^
|
|
note: required for `i32` to implement `RefFoo<i32>`
|
|
--> $DIR/dont-autoderef-ty-with-escaping-var.rs:9:9
|
|
|
|
|
LL | impl<T> RefFoo<T> for T
|
|
| ^^^^^^^^^ ^
|
|
LL | where
|
|
LL | for<'a> &'a mut Vec<&'a u32>: Foo<'static, T>,
|
|
| --------------- unsatisfied trait bound introduced here
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
Some errors have detailed explanations: E0277, E0425.
|
|
For more information about an error, try `rustc --explain E0277`.
|