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.
20 lines
835 B
Plaintext
20 lines
835 B
Plaintext
error[E0277]: the trait bound `NoToSocketAddrs: ToSocketAddrs` is not satisfied
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--> $DIR/issue-39029.rs:16:38
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LL | let _errors = TcpListener::bind(&bad);
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| ----------------- ^^^ the trait `ToSocketAddrs` is not implemented for `NoToSocketAddrs`, which is required by `&NoToSocketAddrs: ToSocketAddrs`
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| required by a bound introduced by this call
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= note: required for `&NoToSocketAddrs` to implement `ToSocketAddrs`
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note: required by a bound in `TcpListener::bind`
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--> $SRC_DIR/std/src/net/tcp.rs:LL:COL
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help: consider dereferencing here
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LL | let _errors = TcpListener::bind(&*bad);
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| +
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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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