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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
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6 | <i32 as Foo>::foo();
| ^^^ the trait `Bar` is not implemented for `i32`, which is required by `i32: Foo`
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help: this trait has no implementations, consider adding one
--> f100.rs:2:1
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2 | trait Bar {}
| ^^^^^^^^^
note: required for `i32` to implement `Foo`
--> f100.rs:3:14
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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
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:35
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LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
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| ^^^^^^^ not found in this scope
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error[E0277]: the trait bound `for<'a> &'a mut Vec<&'a u32>: Foo<'static, i32>` is not satisfied
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:17:6
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LL | <i32 as RefFoo<i32>>::ref_foo(unknown);
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| ^^^ the trait `for<'a> Foo<'static, i32>` is not implemented for `&'a mut Vec<&'a u32>`, which is required by `i32: RefFoo<i32>`
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help: this trait has no implementations, consider adding one
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:3:1
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LL | trait Foo<'x, T> {}
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| ^^^^^^^^^^^^^^^^
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note: required for `i32` to implement `RefFoo<i32>`
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--> $DIR/dont-autoderef-ty-with-escaping-var.rs:9:9
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LL | impl<T> RefFoo<T> for T
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| ^^^^^^^^^ ^
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LL | where
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LL | for<'a> &'a mut Vec<&'a u32>: Foo<'static, T>,
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| --------------- unsatisfied trait bound introduced here
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0425.
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For more information about an error, try `rustc --explain E0277`.
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