rust/tests/ui/object-safety/object-safety-supertrait-mentions-Self.stderr

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error[E0038]: the trait `Baz` cannot be made into an object
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--> $DIR/object-safety-supertrait-mentions-Self.rs:15:31
|
LL | fn make_baz<T:Baz>(t: &T) -> &dyn Baz {
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| ^^^^^^^ `Baz` 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/object-safety-supertrait-mentions-Self.rs:8:13
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LL | trait Baz : Bar<Self> {
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| --- ^^^^^^^^^ ...because it uses `Self` as a type parameter
| |
| this trait cannot be made into an object...
error: aborting due to previous error
2018-03-03 14:59:40 +00:00
For more information about this error, try `rustc --explain E0038`.