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1a4d82fc | 1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
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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 | ||
85aaf69f | 11 | #![feature(lang_items, no_std)] |
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12 | #![no_std] |
13 | ||
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14 | #[lang="phantom_fn"] |
15 | trait PhantomFn<A:?Sized,R:?Sized=()> { } | |
16 | impl<A:?Sized, R:?Sized, U:?Sized> PhantomFn<A,R> for U { } | |
17 | ||
1a4d82fc | 18 | #[lang="copy"] |
85aaf69f | 19 | trait Copy : PhantomFn<Self> { } |
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20 | |
21 | #[lang="sized"] | |
85aaf69f | 22 | trait Sized : PhantomFn<Self> { } |
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23 | |
24 | #[lang="start"] | |
c34b1796 | 25 | fn start(_main: *const u8, _argc: isize, _argv: *const *const u8) -> isize { 0 } |
223e47cc | 26 | |
223e47cc | 27 | extern { |
1a4d82fc JJ |
28 | fn _foo() -> [u8; 16]; |
29 | } | |
30 | ||
31 | fn _main() { | |
32 | let _a = unsafe { _foo() }; | |
223e47cc | 33 | } |