84 lines
2.2 KiB
Rust
84 lines
2.2 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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struct r {
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v: *int,
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}
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impl Drop for r {
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fn finalize(&self) {
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unsafe {
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debug!("r's dtor: self = %x, self.v = %x, self.v's value = %x",
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cast::reinterpret_cast::<*r, uint>(&ptr::addr_of(self)),
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cast::reinterpret_cast::<**int, uint>(&ptr::addr_of(&(self.v))),
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cast::reinterpret_cast::<*int, uint>(&self.v));
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let v2: ~int = cast::reinterpret_cast(&self.v);
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}
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}
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}
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fn r(v: *int) -> r {
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unsafe {
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r {
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v: v
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}
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}
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}
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enum t = Node;
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struct Node {
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mut next: Option<@t>,
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r: r
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}
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pub fn main() {
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unsafe {
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let i1 = ~0;
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let i1p = cast::reinterpret_cast(&i1);
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cast::forget(move i1);
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let i2 = ~0;
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let i2p = cast::reinterpret_cast(&i2);
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cast::forget(move i2);
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let x1 = @t(Node{
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mut next: None,
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r: {
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let rs = r(i1p);
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debug!("r = %x",
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cast::reinterpret_cast::<*r, uint>(&ptr::addr_of(&rs)));
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move rs }
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});
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debug!("x1 = %x, x1.r = %x",
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cast::reinterpret_cast::<@t, uint>(&x1),
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cast::reinterpret_cast::<*r, uint>(&ptr::addr_of(&(x1.r))));
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let x2 = @t(Node{
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mut next: None,
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r: {
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let rs = r(i2p);
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debug!("r2 = %x",
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cast::reinterpret_cast::<*r, uint>(&ptr::addr_of(&rs)));
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move rs
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}
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});
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debug!("x2 = %x, x2.r = %x",
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cast::reinterpret_cast::<@t, uint>(&x2),
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cast::reinterpret_cast::<*r, uint>(&ptr::addr_of(&(x2.r))));
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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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