Reverts list. - CSharp System.Collections.Generic

CSharp examples for System.Collections.Generic:IList

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Description

Reverts list.

Demo Code

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using System.Collections.Specialized;
using System.Collections.Generic;
using System.Collections;
using System;// w  w w.  j  av a 2  s  .  c  o m

public class Main{
        //-------------------------------------------------------------------------
    /// <summary>
    /// Reverts list.
    /// </summary>
    /// <param name="list">list to revert</param>
    /// <returns>reverted list</returns>
    static public IList Reverse(IList list)
    {
      if (list != null)
      {
        ArrayList result = new ArrayList(list.Count);
        for (int i = list.Count - 1; i >= 0; i--)
        {
          result.Add(list[i]);
        }
        return result;
      }
      return null;
    }
        //-------------------------------------------------------------------------
    /// <summary>
    /// Reverts list.
    /// </summary>
    /// <param name="list">list to revert</param>
    /// <returns>reverted list</returns>
    static public IList<T> Reverse<T>(IList<T> list)
    {
      if (list != null)
      {
        List<T> result = new List<T>();
        for (int i = list.Count - 1; i >= 0; i--)
        {
          result.Add(list[i]);
        }
        return result;
      }
      return null;
    }
}

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