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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. | |
4 | // | |
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. | |
10 | ||
c34b1796 | 11 | #![feature(lang_items, start, no_std, core, collections)] |
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12 | #![no_std] |
13 | ||
c34b1796 | 14 | extern crate std as other; |
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15 | |
16 | #[macro_use] extern crate core; | |
17 | #[macro_use] extern crate collections; | |
18 | ||
19 | use collections::string::ToString; | |
20 | ||
21 | #[start] | |
c34b1796 | 22 | fn start(_argc: isize, _argv: *const *const u8) -> isize { |
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23 | let s = format!("{}", 1_isize); |
24 | assert_eq!(s, "1".to_string()); | |
25 | ||
26 | let s = format!("test"); | |
27 | assert_eq!(s, "test".to_string()); | |
28 | ||
29 | let s = format!("{test}", test=3_isize); | |
30 | assert_eq!(s, "3".to_string()); | |
31 | ||
32 | let s = format!("hello {}", "world"); | |
33 | assert_eq!(s, "hello world".to_string()); | |
34 | ||
35 | 0 | |
36 | } |