bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Provide more context on derived obligation error primary label

Browse source 
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.
This commit is contained in:
Esteban Küber 2024-01-29 18:31:02 +00:00
parent f3d71c9249
commit 6efddac288
196 changed files with 382 additions and 373 deletions
Download patch file Download diff file Expand all files Collapse all files

28
tests/ui/errors/trait-bound-error-spans/blame-trait-error.stderr
View file

@ -2,7 +2,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:53:46
|
LL | want(Wrapper { value: Burrito { filling: q } });
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `Wrapper<Burrito<Q>>: T1`
| |
| required by a bound introduced by this call
|
@ -38,7 +38,7 @@ LL | want(Some(()));
| |
| required by a bound introduced by this call
|
= help: the trait `Iterator` is not implemented for `()`
= help: the trait `Iterator` is not implemented for `()`, which is required by `Option<()>: T1`
= help: the trait `T1` is implemented for `Option<It>`
note: required for `Option<()>` to implement `T1`
--> $DIR/blame-trait-error.rs:21:20
@ -109,7 +109,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:65:45
|
LL | want(&ExampleTuple::ExampleTupleVariant(q));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleTuple<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -134,7 +134,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:68:31
|
LL | want(&ExampleTupleVariant(q));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleTuple<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -159,7 +159,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:71:50
|
LL | want(&ExampleOtherTuple::ExampleTupleVariant(q));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleTuple<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -184,7 +184,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:74:44
|
LL | want(&ExampleDifferentTupleVariantName(q));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleTuple<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -209,7 +209,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:77:45
|
LL | want(&ExampleYetAnotherTupleVariantName(q));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleTuple<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -234,7 +234,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:80:56
|
LL | want(&ExampleStruct::ExampleStructVariant { field: q });
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleStruct<Q>: T1`
|
note: required for `ExampleStruct<Q>` to implement `T1`
--> $DIR/blame-trait-error.rs:45:9
@ -257,7 +257,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:83:41
|
LL | want(&ExampleStructVariant { field: q });
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleStruct<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -282,7 +282,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:86:61
|
LL | want(&ExampleOtherStruct::ExampleStructVariant { field: q });
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleStruct<Q>: T1`
|
note: required for `ExampleStruct<Q>` to implement `T1`
--> $DIR/blame-trait-error.rs:45:9
@ -305,7 +305,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:89:54
|
LL | want(&ExampleDifferentStructVariantName { field: q });
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleStruct<Q>: T1`
|
note: required for `ExampleStruct<Q>` to implement `T1`
--> $DIR/blame-trait-error.rs:45:9
@ -328,7 +328,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:92:55
|
LL | want(&ExampleYetAnotherStructVariantName { field: q });
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`
| ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleStruct<Q>: T1`
|
note: required for `ExampleStruct<Q>` to implement `T1`
--> $DIR/blame-trait-error.rs:45:9
@ -351,7 +351,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:95:38
|
LL | want(&ExampleActuallyTupleStruct(q, 0));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleActuallyTupleStruct<Q>: T1`
| |
| required by a bound introduced by this call
|
@ -376,7 +376,7 @@ error[E0277]: the trait bound `Q: T3` is not satisfied
--> $DIR/blame-trait-error.rs:98:43
|
LL | want(&ExampleActuallyTupleStructOther(q, 0));
| ---- ^ the trait `T3` is not implemented for `Q`
| ---- ^ the trait `T3` is not implemented for `Q`, which is required by `&ExampleActuallyTupleStruct<Q>: T1`
| |
| required by a bound introduced by this call
|