29 lines
822 B
Rust
29 lines
822 B
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use std::cast::transmute;
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use std::libc::c_void;
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struct NonCopyable(*c_void);
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impl Drop for NonCopyable {
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fn drop(&mut self) {
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let NonCopyable(p) = *self;
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let _v = unsafe { transmute::<*c_void, ~int>(p) };
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}
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}
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pub fn main() {
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let t = ~0;
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let p = unsafe { transmute::<~int, *c_void>(t) };
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let _z = NonCopyable(p);
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}
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