新增更加友好的类型名称打印

[Test]/Program.cs

@@ -9,27 +9,11 @@ using System.IO;
 using System.Collections;
 using System.Linq;
 using System.Threading;
+using System.Text;
 
 public class Program
 {
-    static int i = 0;
-
-    static IEnumerator Test1()
-    {
-        Console.WriteLine(i);
-        for(; ; )
-        yield return null;
-    }
-
-    static IEnumerator Test()
-    {
-        yield return Test1();
-    }
-
     static void Main(string[] args)
     {
-        var ir = Test();
-        while (ir.MoveNext()) 
-            Thread.Sleep(1000);
     }
 }