27 lines
896 B
Rust
27 lines
896 B
Rust
// Copyright 2012-2014 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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// aux-build:cci_class_cast.rs
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extern crate cci_class_cast;
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use std::string::ToString;
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use cci_class_cast::kitty::cat;
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fn print_out(thing: Box<ToString>, expected: String) {
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let actual = (*thing).to_string();
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println!("{}", actual);
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assert_eq!(actual.to_string(), expected);
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}
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pub fn main() {
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let nyan: Box<ToString> = box cat(0u, 2, "nyan".to_string()) as Box<ToString>;
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print_out(nyan, "nyan".to_string());
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}
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