37 lines
931 B
Rust
37 lines
931 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 : String
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}
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trait Barks {
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fn bark(&self) -> String;
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}
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impl Barks for Dog {
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fn bark(&self) -> String {
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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 = box Dog{name: "snoopy".to_string()};
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let bubbles = box Dog{name: "bubbles".to_string()};
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let barker = [snoopy as Box<Barks>, bubbles as Box<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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