use task::*; use comm::*; struct test { f: int, } impl test : Drop { fn finalize(&self) {} } fn test(f: int) -> test { test { f: f } } fn main() { let p = Port(); let c = Chan(&p); do spawn() { let p = Port(); c.send(Chan(&p)); let _r = p.recv(); } p.recv().send(test(42)); }