| // 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); |
| } |
