反转序列中元素的顺序。
MSDN
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public static class Program
{
static void Main( string[] args )
{
int[] dataA = new int[] { 0, 1, 2, 3, 4 };
List<float> dataB = new List<float>() { 1.5f, 1.3f, 3.2f };
string[] dataC = new string[] { "正一郎", "清次郎", "誠三郎", "征史郎" };
IEnumerable<int> dataA_R = dataA.Reverse();
IEnumerable<float> dataB_R = dataB.AsEnumerable().Reverse();
IEnumerable<string> dataC_R = dataC.Reverse();
System.Console.WriteLine( "dataA :{0}", dataA.Text() );
System.Console.WriteLine( "dataA Reverse:{0}", dataA_R.Text() );
System.Console.WriteLine( "dataB :{0}", dataB.Text() );
System.Console.WriteLine( "dataB Reverse:{0}", dataB_R.Text() );
System.Console.WriteLine( "dataC :{0}", dataC.Text() );
System.Console.WriteLine( "dataC Reverse:{0}", dataC_R.Text() );
System.Console.ReadKey();
}
public static string Text( this IEnumerable i_source )
{
string text = string.Empty;
foreach( var value in i_source )
{
text += string.Format( "[{0}], ", value );
}
return text;
}
}
dataA :[0], [1], [2], [3], [4],
dataA Reverse:[4], [3], [2], [1], [0],
dataB :[1.5], [1.3], [3.2],
dataB Reverse:[3.2], [1.3], [1.5],
dataC :[正一郎], [清次郎], [誠三郎], [征史郎],
dataC Reverse:[征史郎], [誠三郎], [清次郎], [正一郎],