mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 07:14:28 +00:00
37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
error[E0277]: the size for values of type `(dyn A + 'static)` cannot be known at compilation time
|
|
--> $DIR/issue-5883.rs:8:5
|
|
|
|
|
LL | r: dyn A + 'static
|
|
| ^ doesn't have a size known at compile-time
|
|
|
|
|
= help: the trait `Sized` is not implemented for `(dyn A + 'static)`
|
|
= help: unsized fn params are gated as an unstable feature
|
|
help: you can use `impl Trait` as the argument type
|
|
|
|
|
LL | r: impl A + 'static
|
|
| ~~~~
|
|
help: function arguments must have a statically known size, borrowed types always have a known size
|
|
|
|
|
LL | r: &dyn A + 'static
|
|
| +
|
|
|
|
error[E0277]: the size for values of type `(dyn A + 'static)` cannot be known at compilation time
|
|
--> $DIR/issue-5883.rs:9:6
|
|
|
|
|
LL | ) -> Struct {
|
|
| ^^^^^^ doesn't have a size known at compile-time
|
|
LL | Struct { r: r }
|
|
| --------------- this returned value is of type `Struct`
|
|
|
|
|
= help: within `Struct`, the trait `Sized` is not implemented for `(dyn A + 'static)`
|
|
note: required because it appears within the type `Struct`
|
|
--> $DIR/issue-5883.rs:3:8
|
|
|
|
|
LL | struct Struct {
|
|
| ^^^^^^
|
|
= note: the return type of a function must have a statically known size
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|