62 lines
1.4 KiB
Rust
62 lines
1.4 KiB
Rust
// Don't leak the unique pointers
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struct r {
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v: *int,
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drop 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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fn r(v: *int) -> r unsafe {
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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() unsafe {
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let i1 = ~0;
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let i1p = cast::reinterpret_cast(&i1);
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cast::forget(i1);
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let i2 = ~0;
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let i2p = cast::reinterpret_cast(&i2);
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cast::forget(i2);
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let x1 = @t({
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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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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({
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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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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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