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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.
29 lines
912 B
Plaintext
29 lines
912 B
Plaintext
error[E0277]: the trait bound `{integer}: Scalar` is not satisfied
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--> $DIR/issue-22645.rs:15:5
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LL | b + 3
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| ^ the trait `Scalar` is not implemented for `{integer}`, which is required by `Bob: Add<_>`
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= help: the trait `Scalar` is implemented for `f64`
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note: required for `Bob` to implement `Add<{integer}>`
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--> $DIR/issue-22645.rs:8:19
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LL | impl<RHS: Scalar> Add <RHS> for Bob {
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| ------ ^^^^^^^^^ ^^^
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| unsatisfied trait bound introduced here
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error[E0308]: mismatched types
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--> $DIR/issue-22645.rs:15:3
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LL | fn main() {
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| - expected `()` because of default return type
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LL | let b = Bob + 3.5;
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LL | b + 3
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| ^^^^^ expected `()`, found `Bob`
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0277, E0308.
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For more information about an error, try `rustc --explain E0277`.
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