anchor.diff:  	var
   		index, i: longInt;
   	begin
  -		index := p.getLink() - get_begin().getLink();
  +		index := p.get_link() - get_begin().get_link();
   
   		if m_length = m_capacity then
   		begin
  
positive.code: 			function get_data(): longInt;
  
  			function equal(other: iterator): boolean;
  			function getLink(): link;
  
  		private
  			m_link: link;
  
negative.code: 		equal := (m_link = other.m_link);
  	end;
  
  	function iterator.get_link(): link;
  	begin
  		get_link := m_link;
  	end;
  
  	constructor container.create();
  