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|
error[E0310]: the parameter type `U` may not live long enough
--> $DIR/regions-close-object-into-object-4.rs:9:5
|
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^^^ ...so that the type `U` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
LL | fn i<'a, T, U: 'static>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
| +++++++++
error[E0310]: the parameter type `U` may not live long enough
--> $DIR/regions-close-object-into-object-4.rs:9:5
|
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^^^^^^^^^^^ ...so that the type `U` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
LL | fn i<'a, T, U: 'static>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
| +++++++++
error[E0310]: the parameter type `U` may not live long enough
--> $DIR/regions-close-object-into-object-4.rs:9:5
|
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^^^^^^^^^^^ ...so that the type `U` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
LL | fn i<'a, T, U: 'static>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
| +++++++++
error: lifetime may not live long enough
--> $DIR/regions-close-object-into-object-4.rs:9:5
|
LL | fn i<'a, T, U>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
| -- lifetime `'a` defined here
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'a` must outlive `'static`
|
help: consider changing the trait object's explicit `'static` bound to the lifetime of argument `v`
|
LL | fn i<'a, T, U>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'a> {
| ~~
help: alternatively, add an explicit `'static` bound to this reference
|
LL | fn i<'a, T, U>(v: Box<(dyn A<U> + 'static)>) -> Box<dyn X + 'static> {
| ~~~~~~~~~~~~~~~~~~~~~~~~~
error[E0515]: cannot return value referencing local data `*v`
--> $DIR/regions-close-object-into-object-4.rs:9:5
|
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^^^^^^---^^^^^^^^^^^^^^^^
| | |
| | `*v` is borrowed here
| returns a value referencing data owned by the current function
error[E0310]: the parameter type `U` may not live long enough
--> $DIR/regions-close-object-into-object-4.rs:9:14
|
LL | Box::new(B(&*v)) as Box<dyn X>
| ^^^^^^ ...so that the type `U` will meet its required lifetime bounds
|
help: consider adding an explicit lifetime bound...
|
LL | fn i<'a, T, U: 'static>(v: Box<dyn A<U>+'a>) -> Box<dyn X + 'static> {
| +++++++++
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0310, E0515.
For more information about an error, try `rustc --explain E0310`.
|
