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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 | ||
abe05a73 | 11 | // ignore-emscripten no no_std executables |
c30ab7b3 | 12 | |
041b39d2 | 13 | #![feature(lang_items, start, alloc)] |
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14 | #![no_std] |
15 | ||
c34b1796 | 16 | extern crate std as other; |
85aaf69f | 17 | |
041b39d2 | 18 | #[macro_use] extern crate alloc; |
85aaf69f | 19 | |
041b39d2 | 20 | use alloc::string::ToString; |
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21 | |
22 | #[start] | |
c34b1796 | 23 | fn start(_argc: isize, _argv: *const *const u8) -> isize { |
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24 | let s = format!("{}", 1_isize); |
25 | assert_eq!(s, "1".to_string()); | |
26 | ||
27 | let s = format!("test"); | |
28 | assert_eq!(s, "test".to_string()); | |
29 | ||
30 | let s = format!("{test}", test=3_isize); | |
31 | assert_eq!(s, "3".to_string()); | |
32 | ||
33 | let s = format!("hello {}", "world"); | |
34 | assert_eq!(s, "hello world".to_string()); | |
35 | ||
36 | 0 | |
37 | } |