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error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/issue-38604.rs:14:13
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LL | trait Foo where u32: Q<Self> {
| --- ------- ...because it uses `Self` as a type parameter in this
| |
| this trait cannot be made into an object...
...
LL | let _f: Box<dyn Foo> =
| ^^^^^^^^^^^^ the trait `Foo` cannot be made into an object
error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/issue-38604.rs:15:9
|
LL | trait Foo where u32: Q<Self> {
| --- ------- ...because it uses `Self` as a type parameter in this
| |
| this trait cannot be made into an object...
...
LL | Box::new(());
| ^^^^^^^^^^^^ the trait `Foo` cannot be made into an object
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= note: required because of the requirements on the impl of `std::ops::CoerceUnsized<std::boxed::Box<dyn Foo>>` for `std::boxed::Box<()>`
= note: required by cast to type `std::boxed::Box<dyn Foo>`
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0038`.
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