将以往的代码复制到代码库

Future.Platform/Instruction/Control/Variable.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Future.Platform
+{
+    /// <summary>
+    /// 变量声明：声明一个上下文变量，如果变量存在则重置这个变量的值
+    /// </summary>
+    public class Variable// : LogicalInstructBase
+    {
+        
+    }
+}