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error[E0277]: the trait bound `dyn Foo: CastTo<[i32]>` is not satisfied
--> $DIR/issue-71659.rs:30:13
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LL | let x = x.cast::<[i32]>();
| ^ ---- required by a bound introduced by this call
| |
| the trait `CastTo<[i32]>` is not implemented for `dyn Foo`
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note: required by a bound in `Cast::cast`
--> $DIR/issue-71659.rs:19:15
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LL | fn cast<T: ?Sized>(&self) -> &T
| ---- required by a bound in this
LL | where
LL | Self: CastTo<T>,
| ^^^^^^^^^ required by this bound in `Cast::cast`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
|