| error[E0277]: the size for values of type `T` cannot be known at compilation time |
| --> $DIR/dst-object-from-unsized-type.rs:8:23 |
| | |
| LL | let u: &dyn Foo = t; |
| | ^ doesn't have a size known at compile-time |
| | |
| = help: the trait `std::marker::Sized` is not implemented for `T` |
| = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait> |
| = help: consider adding a `where T: std::marker::Sized` bound |
| = note: required for the cast to the object type `dyn Foo` |
| |
| error[E0277]: the size for values of type `T` cannot be known at compilation time |
| --> $DIR/dst-object-from-unsized-type.rs:13:23 |
| | |
| LL | let v: &dyn Foo = t as &dyn Foo; |
| | ^ doesn't have a size known at compile-time |
| | |
| = help: the trait `std::marker::Sized` is not implemented for `T` |
| = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait> |
| = help: consider adding a `where T: std::marker::Sized` bound |
| = note: required for the cast to the object type `dyn Foo` |
| |
| error[E0277]: the size for values of type `str` cannot be known at compilation time |
| --> $DIR/dst-object-from-unsized-type.rs:18:28 |
| | |
| LL | let _: &[&dyn Foo] = &["hi"]; |
| | ^^^^ doesn't have a size known at compile-time |
| | |
| = help: the trait `std::marker::Sized` is not implemented for `str` |
| = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait> |
| = note: required for the cast to the object type `dyn Foo` |
| |
| error[E0277]: the size for values of type `[u8]` cannot be known at compilation time |
| --> $DIR/dst-object-from-unsized-type.rs:23:23 |
| | |
| LL | let _: &dyn Foo = x as &dyn Foo; |
| | ^ doesn't have a size known at compile-time |
| | |
| = help: the trait `std::marker::Sized` is not implemented for `[u8]` |
| = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait> |
| = note: required for the cast to the object type `dyn Foo` |
| |
| error: aborting due to 4 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |