Reverse a List
/*
This file is part of Sunlit World Scheme
http://swscheme.codeplex.com/
Copyright (c) 2010 by Edward Kiser (edkiser@gmail.com)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace ExprObjModel
{
public static partial class Utils
{
public static void Reverse<T>(this List<T> list)
{
int i = 0;
int j = list.Count;
while (j > i)
{
--j;
T item = list[i]; list[i] = list[j]; list[j] = item;
++i;
}
}
}
}