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Category: Programming
Level: Beginner to seasoned
900 pages
ISBN-10 097661322-0
ISBN-13 978-097661322-0
$59.99 USA
$79.99 CANADA


Listing 14-42 extracted from chapter Unsafe code, exceptions, anonymous methods, iterators


Listing 14-41<     > Listing 14-43


This listing can be compiled with the command line:
csc.exe /target:exe Example_14_42.cs
Errors: 0 Warnings: 0


Example_14_42.cs
using System.Collections.Generic;
public class Node<T> {
   public Node( T item , Node<T> leftNode , Node<T> rightNode ) {
      m_Item = item;
      m_LeftNode = leftNode;
      m_RightNode = rightNode;
   }
   public Node<T> m_LeftNode;
   public Node<T> m_RightNode;
   public T m_Item;
}
public class BinaryTree<T> {
   Node<T> m_Root;
   public BinaryTreeNode<T> root ){
      m_Root = root;
   }
   public IEnumerable<T> InOrder {
      get{
         return PrivateScanInOrder( m_Root );
      }
   }
   private IEnumerable<T> PrivateScanInOrder( Node<T> root ) {
      if ( root.m_LeftNode != null ) {
         foreach ( T item in PrivateScanInOrder( root.m_LeftNode ) ) {
            yield return item;
         }
      }
      yield return root.m_Item;
      if ( root.m_RightNode != null ) {
         foreach ( T item in PrivateScanInOrder( root.m_RightNode ) ) {
            yield return item;
         }
      }
   }
}

class Program {
   static void Main() {
      BinaryTree<string> binaryTree = new BinaryTree<string> ( 
         new Node<string>( "A", 
            new Node<string>( "B" null null ),
            new Node<string>( "C" ,
               new Node<string>( "D" null null ), 
               new Node<string>( "E" null null ) ) ) );
      foreach string in binaryTree.InOrder )
         System.Console.WriteLine( s );
   }
}	
Copyright Patrick Smacchia 2006 2007