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1a4d82fc | 1 | // Copyright 2013-2014 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 | ||
1a4d82fc | 11 | // aux-build:static-function-pointer-aux.rs |
223e47cc | 12 | |
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13 | extern crate static_function_pointer_aux as aux; |
14 | ||
15 | fn f(x: isize) -> isize { x } | |
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16 | |
17 | pub fn main() { | |
1a4d82fc | 18 | assert_eq!(aux::F(42), -42); |
223e47cc | 19 | unsafe { |
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20 | assert_eq!(aux::MutF(42), -42); |
21 | aux::MutF = f; | |
22 | assert_eq!(aux::MutF(42), 42); | |
23 | aux::MutF = aux::f; | |
24 | assert_eq!(aux::MutF(42), -42); | |
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25 | } |
26 | } |