| error[E0038]: the trait `issue_3907::Foo` cannot be made into an object |
| --> $DIR/issue-3907-2.rs:11:12 |
| | |
| LL | fn bar(_x: Foo) {} |
| | ^^^ `issue_3907::Foo` cannot be made into an object |
| | |
| note: for a trait to be "dyn-compatible" 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/auxiliary/issue-3907.rs:2:8 |
| | |
| LL | fn bar(); |
| | ^^^ the trait cannot be made into an object because associated function `bar` has no `self` parameter |
| |
| error[E0277]: the size for values of type `(dyn issue_3907::Foo + 'static)` cannot be known at compilation time |
| --> $DIR/issue-3907-2.rs:11:12 |
| | |
| LL | fn bar(_x: Foo) {} |
| | ^^^ doesn't have a size known at compile-time |
| | |
| = help: the trait `Sized` is not implemented for `(dyn issue_3907::Foo + 'static)` |
| = help: unsized fn params are gated as an unstable feature |
| help: function arguments must have a statically known size, borrowed types always have a known size |
| | |
| LL | fn bar(_x: &Foo) {} |
| | + |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0038, E0277. |
| For more information about an error, try `rustc --explain E0038`. |
