///|
fn main {
  let input = "v=0\no=- 1 1 IN IP4 127.0.0.1\ns=Canonical example\nc=IN IP4 127.0.0.1\nt=0 0\na=SENDRECV\n"
  match @sdp.canonicalize(input) {
    Ok(output) => println(output)
    Err(error) => println(error.to_display())
  }
}