rust/tests/ui/traits/issue-28576.stderr
2024-01-04 00:46:33 +00:00

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error[E0038]: the trait `Bar` cannot be made into an object
--> $DIR/issue-28576.rs:7:12
|
LL | / dyn Bar
LL | | <Assoc=()>
| |________________________^ `Bar` cannot be made into an object
|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $DIR/issue-28576.rs:5:16
|
LL | pub trait Bar: Foo<Assoc=()> {
| --- ^^^^^^^^^^^^^
| | | |
| | | ...because it uses `Self` as a type parameter
| | ...because it uses `Self` as a type parameter
| this trait cannot be made into an object...
help: consider using an opaque type instead
|
LL | impl Bar
| ~~~~
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0038`.