scope isItMyUtterance.

static int #magicInterval = 2000;
static int #reallyLongDelay = 10000;

// returns (bool result, assumptions)
static Pair<Bool, S> isItMyUtterance(long timestamp, S heard) {
  Pair<Long, S> said = lastVoiceOutputEndBeforeTimestamp(timestamp);
  if (said != null && said.a <= reallyLongDelay) {
    S info = "this (delay=" + said.a + " ms): " + heard
      + (match(heard, said.b) ? "" : " (said: " + said.b + ")");
      
    if (said.a <= magicInterval) {
      ret pair(true, "Assuming I said " + info);
    } else
      ret pair(false, "Assuming I did not say " + info);
  } else ret pair(false, "");
}

static Pair<Bool, S> isItMyUtterance(S s) {
  S heard = afterSquareBracketStuff(s);
  long timestamp = parseFirstLong(s);
  ret isItMyUtterance(timestamp, heard);
}

end scope

Began life as a copy of #1016794