public Animal.Type?ADequeue(Animal.Type pref)
{
Node curr = Front;
Length--;
if (pref == Animal.Type.Dog || pref == Animal.Type.Cat)
{
while (curr != null)
{
if (curr.Value == pref)
{
Node temp = curr;
if (curr.Prev != null)
{
curr.Prev.Next = temp.Next;
}
if (curr.Next != null)
{
curr.Next.Prev = temp.Prev;
}
return(curr.Value);
}
curr = curr.Next;
if (curr == Back)
{
break;
}
}
return(null);
}
return(null);
}
public Animal.Type?AnimalDequeue(Animal.Type pref)
{
var current = Front;
if (pref == Animal.Type.Dog || pref == Animal.Type.Cat)
{
while (current != null)
{
if (current.Value == pref)
{
Node temp = current;
current.Prev.Next = temp.Next;
current.Next.Prev = temp.Prev;
return(current.Value);
}
current = current.Next;
if (current == Rear)
{
break;
}
}
return(null);
}
else
{
return(null);
}
}
public void AnimalEnqueue(Animal.Type animal)
{
Node node = new Node(animal);
if (Rear == null)
{
Front = Rear = node;
}
else
{
Node prev = Rear;
Rear = node;
prev.Next = node;
node.Prev = prev;
}
}
public void AEnqueue(Animal.Type animal)
{
Node node = new Node(animal);
if (Front == null)
{
Front = node;
Back = node;
}
else
{
Node temp = Back;
Back = node;
temp.Next = node;
node.Prev = temp;
}
Length++;
}
public Animal.Type Dequeue(Animal.Type pref)
{
//var current = queue.Front;
//while(current.Next != null)
//{
//if(current.Value == pref)
// {
// return queue.Dequeue();
// }
// current = current.Next;
//}
if (pref == Animal.Type.Cat || pref == Animal.Type.Dog)
{
return(queue.Dequeue());
}
else
{
return(default);
public Node(Animal.Type value)
{
Value = value;
}
public void Enqueue(Animal.Type animal)
{
queue.Enqueue(animal);
}
