1 // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // aux-build:cci_class_cast.rs
13 #![allow(unknown_features)]
14 #![feature(box_syntax)]
16 extern crate cci_class_cast;
18 use std::string::ToString;
19 use cci_class_cast::kitty::cat;
21 fn print_out(thing: Box<ToString>, expected: String) {
22 let actual = (*thing).to_string();
23 println!("{}", actual);
24 assert_eq!(actual.to_string(), expected);
28 let nyan: Box<ToString> = box cat(0u, 2, "nyan".to_string()) as Box<ToString>;
29 print_out(nyan, "nyan".to_string());