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1 | // Copyright 2013 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 | ||
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11 | // Testing guarantees provided by once functions. |
12 | ||
13 | // xfail-fast | |
14 | ||
15 | extern mod extra; | |
16 | use extra::arc; | |
17 | use std::util; | |
18 | ||
19 | fn foo(blk: ~once fn()) { | |
20 | blk(); | |
21 | } | |
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22 | |
23 | fn main() { | |
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24 | let x = arc::ARC(true); |
25 | do foo { | |
26 | assert!(*x.get()); | |
27 | util::ignore(x); | |
28 | } | |
223e47cc | 29 | } |