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+ // 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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+
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+
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+ use core:: cast:: transmute;
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+ use core:: libc:: c_void;
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+
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+ struct NonCopyable ( * c_void ) ;
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+
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+ impl Drop for NonCopyable {
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+ fn finalize ( & self ) {
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+ let 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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+
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+ 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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+
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+
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