mirror of https://github.com/rust-lang/rust
27 lines
490 B
Rust
27 lines
490 B
Rust
//@ run-pass
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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::new(Dog{name: "snoopy".to_string()});
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let bubbles = Box::new(Dog{name: "bubbles".to_string()});
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let barker = [snoopy as Box<dyn Barks>, bubbles as Box<dyn Barks>];
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for pup in &barker {
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println!("{}", pup.bark());
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}
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}
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