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
29
30
31
32
33
34
|
// run-pass
/*
#5008 cast to &Trait causes code to segfault on method call
It fixes itself if the &Trait is changed to @Trait.
*/
trait Debuggable {
fn debug_name(&self) -> String;
}
#[derive(Clone)]
struct Thing {
name: String,
}
impl Thing {
fn new() -> Thing { Thing { name: "dummy".to_string() } }
}
impl Debuggable for Thing {
fn debug_name(&self) -> String { self.name.clone() }
}
fn print_name(x: &dyn Debuggable)
{
println!("debug_name = {}", x.debug_name());
}
pub fn main() {
let thing = Thing::new();
print_name(&thing as &dyn Debuggable);
}
|
