51 lines
1000 B
Rust
51 lines
1000 B
Rust
// same as resource-cycle2, but be sure to give r multiple fields...
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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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let v: u;
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let w: int;
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let x: *int;
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new(v: u, w: int, _x: *int) unsafe { self.v = v; self.w = w;
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self.x = unsafe::reinterpret_cast(0);
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/* self.x = x; */ }
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drop unsafe {
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let _v2: ~int = unsafe::reinterpret_cast(self.v.c);
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// let _v3: ~int = unsafe::reinterpret_cast(self.x);
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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 = ~0xA;
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let i1p = unsafe::reinterpret_cast(i1);
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unsafe::forget(i1);
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let i2 = ~0xA;
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let i2p = unsafe::reinterpret_cast(i2);
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unsafe::forget(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, 42, i1p)
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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, 42, i2p)
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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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