fn respondThen

fn after(n: i32) -> i32 time, io {
  sleep(100ms)
  print("tail got {n}")
  n
}

pipeline job(n: i32) -> i32 {
  respond it
  -> after
}

fn main() io, net, time, db {
  match job(5) {
    i32 v => print("answer {v}")
    NetError e => print("net error")
  }
  sleep(400ms)
}

answer 5
tail got 5