2019-07-26 16:54:25 -05:00
|
|
|
// run-pass
|
2015-02-11 18:45:19 -06:00
|
|
|
// Test that the lifetime from the enclosing `&` is "inherited"
|
|
|
|
// through the `Box` struct.
|
|
|
|
|
2015-03-22 15:13:15 -05:00
|
|
|
// pretty-expanded FIXME #23616
|
|
|
|
|
2015-02-11 18:45:19 -06:00
|
|
|
#![allow(dead_code)]
|
|
|
|
|
|
|
|
trait Test {
|
|
|
|
fn foo(&self) { }
|
|
|
|
}
|
|
|
|
|
|
|
|
struct SomeStruct<'a> {
|
2019-05-28 13:47:21 -05:00
|
|
|
t: &'a Box<dyn Test>,
|
|
|
|
u: &'a Box<dyn Test+'a>,
|
2015-02-11 18:45:19 -06:00
|
|
|
}
|
|
|
|
|
2019-05-28 13:47:21 -05:00
|
|
|
fn a<'a>(t: &'a Box<dyn Test>, mut ss: SomeStruct<'a>) {
|
2015-02-11 18:45:19 -06:00
|
|
|
ss.t = t;
|
|
|
|
}
|
|
|
|
|
2019-05-28 13:47:21 -05:00
|
|
|
fn b<'a>(t: &'a Box<dyn Test>, mut ss: SomeStruct<'a>) {
|
2015-02-11 18:45:19 -06:00
|
|
|
ss.u = t;
|
|
|
|
}
|
|
|
|
|
2020-12-28 11:15:16 -06:00
|
|
|
// see also ui/object-lifetime/object-lifetime-default-from-rptr-box-error.rs
|
2015-02-11 18:45:19 -06:00
|
|
|
|
2019-05-28 13:47:21 -05:00
|
|
|
fn d<'a>(t: &'a Box<dyn Test+'a>, mut ss: SomeStruct<'a>) {
|
2015-02-11 18:45:19 -06:00
|
|
|
ss.u = t;
|
|
|
|
}
|
|
|
|
|
|
|
|
fn main() {
|
|
|
|
}
|