rust/src/test/ui/regions/regions-close-object-into-object-2.nll.stderr

21 lines
745 B
Plaintext
Raw Normal View History

error: lifetime may not live long enough
--> $DIR/regions-close-object-into-object-2.rs:10:5
|
LL | fn g<'a, T: 'static>(v: Box<A<T>+'a>) -> Box<X+'static> {
| -- lifetime `'a` defined here
LL | box B(&*v) as Box<X>
| ^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static`
error[E0515]: cannot return value referencing local data `*v`
--> $DIR/regions-close-object-into-object-2.rs:10:5
|
LL | box B(&*v) as Box<X>
| ^^^^^^---^^^^^^^^^^^
| | |
| | `*v` is borrowed here
| returns a value referencing data owned by the current function
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0515`.