mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 23:34:48 +00:00
66 lines
2.4 KiB
Plaintext
66 lines
2.4 KiB
Plaintext
error[E0277]: the size for values of type `Self` cannot be known at compilation time
|
|
--> $DIR/issue-28576.rs:5:16
|
|
|
|
|
LL | pub trait Bar: Foo<Assoc=()> {
|
|
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
|
|
|
|
note: required by an implicit `Sized` bound in `Foo`
|
|
--> $DIR/issue-28576.rs:1:15
|
|
|
|
|
LL | pub trait Foo<RHS=Self> {
|
|
| ^^^^^^^^ required by the implicit `Sized` requirement on this type parameter in `Foo`
|
|
help: consider further restricting `Self`
|
|
|
|
|
LL | pub trait Bar: Foo<Assoc=()> + Sized {
|
|
| +++++++
|
|
help: consider relaxing the implicit `Sized` restriction
|
|
|
|
|
LL | pub trait Foo<RHS: ?Sized=Self> {
|
|
| ++++++++
|
|
|
|
error[E0038]: the trait `Bar` cannot be made into an object
|
|
--> $DIR/issue-28576.rs:9:12
|
|
|
|
|
LL | / dyn Bar
|
|
LL | | <Assoc=()>
|
|
| |________________________^ `Bar` 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/issue-28576.rs:5:16
|
|
|
|
|
LL | pub trait Bar: Foo<Assoc=()> {
|
|
| --- ^^^^^^^^^^^^^
|
|
| | | |
|
|
| | | ...because it uses `Self` as a type parameter
|
|
| | ...because it uses `Self` as a type parameter
|
|
| this trait cannot be made into an object...
|
|
help: consider using an opaque type instead
|
|
|
|
|
LL | impl Bar
|
|
| ~~~~
|
|
|
|
error[E0277]: the size for values of type `Self` cannot be known at compilation time
|
|
--> $DIR/issue-28576.rs:5:16
|
|
|
|
|
LL | pub trait Bar: Foo<Assoc=()> {
|
|
| ^^^^^^^^^^^^^ doesn't have a size known at compile-time
|
|
|
|
|
note: required by an implicit `Sized` bound in `Foo`
|
|
--> $DIR/issue-28576.rs:1:15
|
|
|
|
|
LL | pub trait Foo<RHS=Self> {
|
|
| ^^^^^^^^ required by the implicit `Sized` requirement on this type parameter in `Foo`
|
|
help: consider further restricting `Self`
|
|
|
|
|
LL | ) where Self: Sized;
|
|
| +++++++++++++++++
|
|
help: consider relaxing the implicit `Sized` restriction
|
|
|
|
|
LL | pub trait Foo<RHS: ?Sized=Self> {
|
|
| ++++++++
|
|
|
|
error: aborting due to 3 previous errors
|
|
|
|
Some errors have detailed explanations: E0038, E0277.
|
|
For more information about an error, try `rustc --explain E0038`.
|