tasks a-s

Task/Queue-Definition/C-sharp/queue-definition.cs

@@ -0,0 +1,38 @@
+public class FIFO<T>
+{
+  class Node
+  {
+    public T Item { get; set; }
+    public Node Next { get; set; }
+  }
+  Node first = null;
+  Node last = null;
+  public void push(T item)
+  {
+    if (empty())
+    {
+      //Uses object initializers to set fields of new node
+      first = new Node() { Item = item, Next = null };
+      last = first;
+    }
+    else
+    {
+      last.Next = new Node() { Item = item, Next = null };
+      last = last.Next;
+    }
+  }
+  public T pop()
+  {
+    if (first == null)
+      throw new System.Exception("No elements");
+    if (last == first)
+      last = null;
+    T temp = first.Item;
+    first = first.Next;
+    return temp;
+  }
+  public bool empty()
+  {
+    return first == null;
+  }
+}