1 // Copyright 2015 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.
12 fn to_string(&self) -> String;
15 impl Stringify for u32 {
16 fn to_string(&self) -> String { format!("u32: {}", *self) }
19 impl Stringify for f32 {
20 fn to_string(&self) -> String { format!("f32: {}", *self) }
23 fn print<T: Stringify>(x: T) -> String {
28 assert_eq!(&print(5), "u32: 5");
29 assert_eq!(&print(5.0), "f32: 5");