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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.
27 lines
1 KiB
Plaintext
27 lines
1 KiB
Plaintext
error[E0277]: the trait bound `&str: From<String>` is not satisfied
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--> $DIR/into-str.rs:4:9
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LL | foo(String::new());
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| --- ^^^^^^^^^^^^^ the trait `From<String>` is not implemented for `&str`, which is required by `String: Into<&str>`
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| |
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| required by a bound introduced by this call
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= note: to coerce a `String` into a `&str`, use `&*` as a prefix
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= help: the following other types implement trait `From<T>`:
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<String as From<char>>
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<String as From<Box<str>>>
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<String as From<Cow<'a, str>>>
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<String as From<&str>>
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<String as From<&mut str>>
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<String as From<&String>>
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= note: required for `String` to implement `Into<&str>`
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note: required by a bound in `foo`
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--> $DIR/into-str.rs:1:31
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LL | fn foo<'a, T>(_t: T) where T: Into<&'a str> {}
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| ^^^^^^^^^^^^^ required by this bound in `foo`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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