66 lines
1.3 KiB
Rust
66 lines
1.3 KiB
Rust
// Copyright 2012 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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// Don't leak the unique pointers
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type u = {
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a: int,
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b: int,
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c: *int
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};
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struct r {
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v: u,
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}
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impl r : Drop {
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fn finalize(&self) {
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unsafe {
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let v2: ~int = cast::reinterpret_cast(&self.v.c);
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}
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}
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}
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fn r(v: u) -> r {
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r {
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v: v
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}
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}
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enum t = {
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mut next: Option<@t>,
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r: r
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};
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fn main() {
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unsafe {
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let i1 = ~0xA;
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let i1p = cast::reinterpret_cast(&i1);
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cast::forget(move i1);
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let i2 = ~0xA;
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let i2p = cast::reinterpret_cast(&i2);
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cast::forget(move i2);
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let u1 = {a: 0xB, b: 0xC, c: i1p};
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let u2 = {a: 0xB, b: 0xC, c: i2p};
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let x1 = @t({
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mut next: None,
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r: r(u1)
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});
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let x2 = @t({
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mut next: None,
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r: r(u2)
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});
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x1.next = Some(x2);
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x2.next = Some(x1);
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}
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}
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