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error[E0620]: cast to unsized type: `i32` as `dyn MyAdd<i32>`
--> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
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LL | let y = x as dyn MyAdd<i32>;
| ^^^^^^^^^^^^^^^^^^^
|
help: consider using a box or reference as appropriate
--> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:13
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LL | let y = x as dyn MyAdd<i32>;
| ^
error[E0038]: the trait `MyAdd` cannot be made into an object
--> $DIR/type-parameter-defaults-referencing-Self-ppaux.rs:14:18
|
LL | let y = x as dyn MyAdd<i32>;
| ^^^^^^^^^^^^^^ `MyAdd` 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/type-parameter-defaults-referencing-Self-ppaux.rs:6:55
|
LL | trait MyAdd<Rhs=Self> { fn add(&self, other: &Rhs) -> Self; }
| ----- ^^^^ ...because method `add` references the `Self` type in its return type
| |
| this trait cannot be made into an object...
= help: consider moving `add` to another trait
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0038, E0620.
For more information about an error, try `rustc --explain E0038`.
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