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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}>`
| |
| required by a bound introduced by this call
|
note: required because of the requirements on the impl of `Foo` for `Box<{integer}>`
--> $DIR/kindck-inherited-copy-bound.rs:14:14
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LL | impl<T:Copy> Foo for T {
| ^^^ ^
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 because of the requirements on the impl of `CoerceUnsized<&dyn Foo>` for `&Box<{integer}>`
= note: required by cast to type `&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`.
|
