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.
38 lines
1.5 KiB
Plaintext
38 lines
1.5 KiB
Plaintext
error[E0277]: `Vec<i32>` is not an iterator
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--> $DIR/suggest-remove-refs-5.rs:4:14
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LL | for _ in &mut &mut v {}
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| ^^^^^^^^^^^ `Vec<i32>` is not an iterator; try calling `.into_iter()` or `.iter()`
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= help: the trait `Iterator` is not implemented for `Vec<i32>`, which is required by `&mut &mut &mut &mut Vec<i32>: IntoIterator`
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= note: required for `&mut Vec<i32>` to implement `Iterator`
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= note: 3 redundant requirements hidden
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= note: required for `&mut &mut &mut &mut Vec<i32>` to implement `Iterator`
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= note: required for `&mut &mut &mut &mut Vec<i32>` to implement `IntoIterator`
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help: consider removing 3 leading `&`-references
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LL ~ let v = &mut Vec::<i32>::new();
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LL ~ for _ in v {}
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error[E0277]: `[u8; 1]` is not an iterator
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--> $DIR/suggest-remove-refs-5.rs:7:14
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LL | for _ in &mut v {}
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| ^^^^^^ `[u8; 1]` is not an iterator; try calling `.into_iter()` or `.iter()`
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= help: the trait `Iterator` is not implemented for `[u8; 1]`, which is required by `&mut &mut &mut [u8; 1]: IntoIterator`
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= note: required for `&mut [u8; 1]` to implement `Iterator`
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= note: 2 redundant requirements hidden
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= note: required for `&mut &mut &mut [u8; 1]` to implement `Iterator`
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= note: required for `&mut &mut &mut [u8; 1]` to implement `IntoIterator`
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help: consider removing 2 leading `&`-references
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LL ~ let v = &mut [1u8];
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LL ~ for _ in v {}
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0277`.
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