48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
|
|
error: associated item referring to unboxed trait object for its own trait
|
||
|
|
--> $DIR/object-unsafe-trait-should-use-self.rs:3:13
|
||
|
|
|
|
||
|
|
LL | trait A: Sized {
|
||
|
|
| - in this trait
|
||
|
|
LL | fn f(a: A) -> A;
|
||
|
|
| ^ ^
|
||
|
|
|
|
||
|
|
help: you might have meant to use `Self` to refer to the materialized type
|
||
|
|
|
|
||
|
|
LL | fn f(a: Self) -> Self;
|
||
|
|
| ^^^^ ^^^^
|
||
|
|
|
||
|
|
error[E0038]: the trait `A` cannot be made into an object
|
||
|
|
--> $DIR/object-unsafe-trait-should-use-self.rs:3:13
|
||
|
|
|
|
||
|
|
LL | trait A: Sized {
|
||
|
|
| ----- the trait cannot require that `Self : Sized`
|
||
|
|
LL | fn f(a: A) -> A;
|
||
|
|
| ^ the trait `A` cannot be made into an object
|
||
|
|
|
|
||
|
|
= note: the trait cannot require that `Self : Sized`
|
||
|
|
|
||
|
|
error: associated item referring to unboxed trait object for its own trait
|
||
|
|
--> $DIR/object-unsafe-trait-should-use-self.rs:8:13
|
||
|
|
|
|
||
|
|
LL | trait B {
|
||
|
|
| - in this trait
|
||
|
|
LL | fn f(a: B) -> B;
|
||
|
|
| ^ ^
|
||
|
|
|
|
||
|
|
help: you might have meant to use `Self` to refer to the materialized type
|
||
|
|
|
|
||
|
|
LL | fn f(a: Self) -> Self;
|
||
|
|
| ^^^^ ^^^^
|
||
|
|
|
||
|
|
error[E0038]: the trait `B` cannot be made into an object
|
||
|
|
--> $DIR/object-unsafe-trait-should-use-self.rs:8:13
|
||
|
|
|
|
||
|
|
LL | fn f(a: B) -> B;
|
||
|
|
| - ^ the trait `B` cannot be made into an object
|
||
|
|
| |
|
||
|
|
| associated function `f` has no `self` parameter
|
||
|
|
|
||
|
|
error: aborting due to 4 previous errors
|
||
|
|
|
||
|
|
For more information about this error, try `rustc --explain E0038`.
|