code: func Remove(t *Pot, v Val, pof Pof) (*Pot, int, bool) {
  	return remove(t, v, pof)
  }
docs: // Remove deletes element v from the Pot t and returns three parameters:
  // 1. new Pot that contains all the elements of t minus the element v;
  // 2. proximity order of the removed element v;
  // 3. boolean indicating whether the item was found.