783c6a1fbf
Closes #3907 Closes #5493 Closes #4464 Closes #4759 Closes #5666 Closes #5884 Closes #5926 Closes #6318 Closes #6557 Closes #6898 Closes #6919 Closes #7222
36 lines
890 B
Rust
36 lines
890 B
Rust
// 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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struct Dog {
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name : ~str
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}
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trait Barks {
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fn bark(&self) -> ~str;
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}
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impl Barks for Dog {
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fn bark(&self) -> ~str {
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return fmt!("woof! (I'm %s)", self.name);
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}
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}
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pub fn main() {
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let snoopy = ~Dog{name: ~"snoopy"};
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let bubbles = ~Dog{name: ~"bubbles"};
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let barker = [snoopy as ~Barks, bubbles as ~Barks];
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for pup in barker.iter() {
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println(fmt!("%s", pup.bark()));
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}
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}
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