添加bool3，在inspecter中展示为横着的三个勾选框，但是保存为一个整数(๑•̀ㅂ•́)و✧

Runtime/MicroLibrary/MacroEnum.cs

@@ -1,5 +1,3 @@
-
-
 using System;
 using System.Collections;
 using System.Collections.Generic;
@@ -73,6 +71,21 @@ namespace XericLibrary.Runtime.MacroLibrary
 		}
 
 
+		/// <summary>
+		/// 检查是否包含给定，且只关注是否完全包含
+		/// </summary>
+		/// <param name="examineCC">要检查的特征</param>
+		/// <param name="filterCC">过滤的特征</param>
+		/// <returns></returns>
+		public static bool CheckEnum(T examineCC, T filterCC)
+		{
+			var cc = Convert.ToInt32(filterCC);
+			var isValid = Convert.ToInt32(examineCC) & cc;
+			var isFull = isValid ^ cc;
+
+			return isValid > 0 && isFull <= 0;
+		}
+
 		/// <summary>
 		/// 设置目标的枚举值
 		/// </summary>
@@ -146,25 +159,28 @@ namespace XericLibrary.Runtime.MacroLibrary
 			target ^= Convert.ToInt32(value);
 		}
 
-		/// <summary>
-		/// 检查是否包含给定，且只关注是否完全包含
-		/// </summary>
-		/// <param name="examineCC">要检查的特征</param>
-		/// <param name="filterCC">过滤的特征</param>
-		/// <returns></returns>
-		public static bool CheckEnum(T examineCC, T filterCC)
-		{
-            var cc = Convert.ToInt32(filterCC);
-			var isValid = Convert.ToInt32(examineCC) & cc;
-			var isFull = isValid ^ cc;
-
-			return isValid > 0 && isFull <= 0;
-		}
 	}
 
 
     public static partial class MacroMath
     {
+
+		/// <summary>
+		/// 获取给定索引下的位是否为真
+		/// </summary>
+		/// <param name="target"></param>
+		/// <param name="index"></param>
+		/// <returns></returns>
+		public static bool GetEnumIndex(this int target, int index)
+		{
+			return 0 != ((target >> index) & 1);
+		}
+
+		public static void SetEnumIndex(this ref int target, int index)
+		{
+			target |= 1 << index;
+		}
+
 		[MethodImpl(MethodImplOptions.AggressiveInlining)]
 		private static int EnumToInt32(this Enum target)
 		{