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