mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
30 lines
1.0 KiB
Plaintext
30 lines
1.0 KiB
Plaintext
error: lifetime may not live long enough
|
|
--> $DIR/object-lifetime-default-mybox.rs:27:5
|
|
|
|
|
LL | fn load1<'a,'b>(a: &'a MyBox<dyn SomeTrait>,
|
|
| -- -- lifetime `'b` defined here
|
|
| |
|
|
| lifetime `'a` defined here
|
|
...
|
|
LL | a
|
|
| ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a`
|
|
|
|
|
= help: consider adding the following bound: `'a: 'b`
|
|
|
|
error[E0521]: borrowed data escapes outside of function
|
|
--> $DIR/object-lifetime-default-mybox.rs:32:5
|
|
|
|
|
LL | fn load2<'a>(ss: &MyBox<dyn SomeTrait + 'a>) -> MyBox<dyn SomeTrait + 'a> {
|
|
| -- -- `ss` is a reference that is only valid in the function body
|
|
| |
|
|
| lifetime `'a` defined here
|
|
LL | load0(ss)
|
|
| ^^^^^^^^^
|
|
| |
|
|
| `ss` escapes the function body here
|
|
| argument requires that `'a` must outlive `'static`
|
|
|
|
error: aborting due to 2 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0521`.
|