mirror of https://github.com/rust-lang/rust
55 lines
2.2 KiB
Plaintext
55 lines
2.2 KiB
Plaintext
error[E0277]: the trait bound `Box<{integer}>: Foo` is not satisfied
|
|
--> $DIR/kindck-inherited-copy-bound.rs:21:16
|
|
|
|
|
LL | take_param(&x);
|
|
| ---------- ^^ the trait `Copy` is not implemented for `Box<{integer}>`, which is required by `Box<{integer}>: Foo`
|
|
| |
|
|
| required by a bound introduced by this call
|
|
|
|
|
note: required for `Box<{integer}>` to implement `Foo`
|
|
--> $DIR/kindck-inherited-copy-bound.rs:14:14
|
|
|
|
|
LL | impl<T:Copy> Foo for T {
|
|
| ---- ^^^ ^
|
|
| |
|
|
| unsatisfied trait bound introduced here
|
|
note: required by a bound in `take_param`
|
|
--> $DIR/kindck-inherited-copy-bound.rs:17:17
|
|
|
|
|
LL | fn take_param<T:Foo>(foo: &T) { }
|
|
| ^^^ required by this bound in `take_param`
|
|
|
|
error[E0038]: the trait `Foo` cannot be made into an object
|
|
--> $DIR/kindck-inherited-copy-bound.rs:28:19
|
|
|
|
|
LL | let z = &x as &dyn Foo;
|
|
| ^^^^^^^^ `Foo` 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/kindck-inherited-copy-bound.rs:10:13
|
|
|
|
|
LL | trait Foo : Copy {
|
|
| --- ^^^^ ...because it requires `Self: Sized`
|
|
| |
|
|
| this trait cannot be made into an object...
|
|
|
|
error[E0038]: the trait `Foo` cannot be made into an object
|
|
--> $DIR/kindck-inherited-copy-bound.rs:28:13
|
|
|
|
|
LL | let z = &x as &dyn Foo;
|
|
| ^^ `Foo` 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/kindck-inherited-copy-bound.rs:10:13
|
|
|
|
|
LL | trait Foo : Copy {
|
|
| --- ^^^^ ...because it requires `Self: Sized`
|
|
| |
|
|
| this trait cannot be made into an object...
|
|
= note: required for the cast from `&Box<{integer}>` to `&dyn Foo`
|
|
|
|
error: aborting due to 3 previous errors
|
|
|
|
Some errors have detailed explanations: E0038, E0277.
|
|
For more information about an error, try `rustc --explain E0038`.
|