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.
11 #![feature(lang_items, start, no_std, core, collections)]
14 extern crate "std" as other;
16 #[macro_use] extern crate core;
17 #[macro_use] extern crate collections;
19 use collections::string::ToString;
22 fn start(_argc: int, _argv: *const *const u8) -> int {
23 let s = format!("{}", 1_isize);
24 assert_eq!(s, "1".to_string());
26 let s = format!("test");
27 assert_eq!(s, "test".to_string());
29 let s = format!("{test}", test=3_isize);
30 assert_eq!(s, "3".to_string());
32 let s = format!("hello {}", "world");
33 assert_eq!(s, "hello world".to_string());