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//@ run-pass
// Test that the lifetime of the enclosing `&` is used for the object
// lifetime bound.
#![allow(dead_code)]
use std::fmt::Display;
trait Test {
fn foo(&self) { }
}
struct SomeStruct<'a> {
t: &'a dyn Test,
u: &'a (dyn Test+'a),
}
fn a<'a>(t: &'a dyn Test, mut ss: SomeStruct<'a>) {
ss.t = t;
}
fn b<'a>(t: &'a dyn Test, mut ss: SomeStruct<'a>) {
ss.u = t;
}
fn c<'a>(t: &'a (dyn Test+'a), mut ss: SomeStruct<'a>) {
ss.t = t;
}
fn d<'a>(t: &'a (dyn Test+'a), mut ss: SomeStruct<'a>) {
ss.u = t;
}
fn e<'a>(_: &'a (dyn Display+'static)) {}
fn main() {
// Inside a function body, we can just infer both
// lifetimes, to allow &'tmp (Display+'static).
e(&0 as &dyn Display);
}
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