36 lines
888 B
Rust
36 lines
888 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 format!("woof! (I'm {})", 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!("{}", pup.bark());
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}
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}
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