rust/src/test/run-pass/leaky_comm.rs

// xfail-fast
// aux-build:test_comm.rs

use test_comm;

fn main() {
  let p = test_comm::port();
  
  alt none::<int> {
      none {}
      some(_) {
  if test_comm::recv(p) == 0 {
      #error("floop");
  }
  else {
      #error("bloop");
  }
      }}
}