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.
14 fn to_string(&self) -> String;
18 fn to_string(&self) -> String { self.to_str() }
21 impl<T:to_str> to_str for Vec<T> {
22 fn to_string(&self) -> String {
25 .map(|e| e.to_string())
26 .collect::<Vec<String>>()
32 assert!(1.to_string() == "1".to_string());
33 assert!((vec!(2i, 3, 4)).to_string() == "[2, 3, 4]".to_string());
35 fn indirect<T:to_str>(x: T) -> String {
36 format!("{}!", x.to_string())
38 assert!(indirect(vec!(10i, 20)) == "[10, 20]!".to_string());
40 fn indirect2<T:to_str>(x: T) -> String {
43 assert!(indirect2(vec!(1i)) == "[1]!".to_string());