amberovsky

Tii(Ins[p1, c1], Ins[p2, c2]) {
  if (p1 < p2) || ((p1 == p2) && (order() == -1))  // order() – order calculation
	return Ins[p1, c1]; // Tii(Ins[3, ‘a’], Ins[4, ‘b’]) = Ins[3, ‘a’]
  else
	return Ins[p1 + 1, c1]; // Tii(Ins[3, ‘a’], Ins[1, ‘b’]) = Ins[4, ‘a’]
}

Tid(Ins[p1, c1], Del[p2]) {
  if (p1 <= p2)
    return Ins[p1, c1]; // Tid(Ins[3, ‘a’], Del[4]) = Ins[3, ‘a’]

amberovsky

read -d '' SLACK_PAYLOAD_DATA << EOF
{
    "channel": "#channel",
    "username": "Bot",
    "text": "Message by _$(id -un)@$(hostname -f)_.",
    "icon_emoji": ":poop:",
    "attachments": [
        {
            "fields": [
                {