44 lines
1018 B
Rust
44 lines
1018 B
Rust
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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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/*
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#5008 cast to &Trait causes code to segfault on method call
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It fixes itself if the &Trait is changed to @Trait.
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*/
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trait Debuggable {
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fn debug_name(&self) -> ~str;
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}
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#[deriving(Clone)]
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struct Thing {
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name: ~str,
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}
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impl Thing {
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fn new() -> Thing { Thing { name: ~"dummy" } }
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}
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impl Debuggable for Thing {
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fn debug_name(&self) -> ~str { self.name.clone() }
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}
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fn print_name(x: &Debuggable)
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{
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println(fmt!("debug_name = %s", x.debug_name()));
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}
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fn main() {
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let thing = Thing::new();
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print_name(&thing as &Debuggable);
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}
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