summaryrefslogtreecommitdiffstats
path: root/tests/ui/issues/issue-7563.rs
blob: c62405554b4d1d390b7b385f49a698e3edc0325b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// run-pass
#![allow(dead_code)]
trait IDummy {
    fn do_nothing(&self);
}

#[derive(Debug)]
struct A { a: isize }
#[derive(Debug)]
struct B<'a> { b: isize, pa: &'a A }

    impl IDummy for A {
        fn do_nothing(&self) {
            println!("A::do_nothing() is called");
        }
    }

impl<'a> B<'a> {
    fn get_pa(&self) -> &'a dyn IDummy { self.pa as &'a dyn IDummy }
}

pub fn main() {
    let sa = A { a: 100 };
    let sb = B { b: 200, pa: &sa };

    println!("sa is {:?}", sa);
    println!("sb is {:?}", sb);
}