// Copyright 2013 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. /* #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) -> ~str; } #[deriving(Clone)] struct Thing { name: ~str, } impl Thing { fn new() -> Thing { Thing { name: ~"dummy" } } } impl Debuggable for Thing { fn debug_name(&self) -> ~str { self.name.clone() } } fn print_name(x: &Debuggable) { println(fmt!("debug_name = %s", x.debug_name())); } pub fn main() { let thing = Thing::new(); print_name(&thing as &Debuggable); }