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.
34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
error[E0790]: cannot refer to the associated constant on trait without specifying the corresponding `impl` type
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--> $DIR/issue-58022.rs:4:25
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LL | const SIZE: usize;
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| ------------------ `Foo::SIZE` defined here
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LL |
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LL | fn new(slice: &[u8; Foo::SIZE]) -> Self;
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| ^^^^^^^^^ cannot refer to the associated constant of trait
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error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
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--> $DIR/issue-58022.rs:13:41
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LL | fn new(slice: &[u8; Self::SIZE]) -> Self {
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| ^^^^ doesn't have a size known at compile-time
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= help: within `Bar<[u8]>`, the trait `Sized` is not implemented for `[u8]`, which is required by `Bar<[u8]>: Sized`
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note: required because it appears within the type `Bar<[u8]>`
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--> $DIR/issue-58022.rs:8:12
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LL | pub struct Bar<T: ?Sized>(T);
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| ^^^
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= note: the return type of a function must have a statically known size
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error[E0423]: expected function, tuple struct or tuple variant, found trait `Foo`
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--> $DIR/issue-58022.rs:15:9
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LL | Foo(Box::new(*slice))
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| ^^^ not a function, tuple struct or tuple variant
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error: aborting due to 3 previous errors
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Some errors have detailed explanations: E0277, E0423, E0790.
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For more information about an error, try `rustc --explain E0277`.
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