| error[E0277]: the size for values of type `Self` cannot be known at compilation time |
| --> $DIR/issue-20005.rs:10:49 |
| | |
| LL | trait From<Src> { |
| | --- required by this bound in `From` |
| ... |
| LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self> { |
| | ^^^^^^^^^^ doesn't have a size known at compile-time |
| | |
| = help: the trait `std::marker::Sized` is not implemented for `Self` |
| = 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 further restricting `Self` |
| | |
| LL | ) -> <Dst as From<Self>>::Result where Dst: From<Self>, Self: std::marker::Sized { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| help: consider relaxing the implicit `Sized` restriction |
| | |
| LL | trait From<Src: ?Sized> { |
| | ^^^^^^^^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0277`. |
