static S postVerbose(T3<S> t) {
  ret postVerbose(t.a, t.b, t.c);
}

static S postVerbose(S a, S b, S c) {
  S webID = ai_postTriple(t);
  if (webID != null)
    print("Posted: " + ai_renderTriple(a, b, c));
  ret webID;
}