daily update on 20230320 by nitload youmu

源代码/StgSharp/Logic/LinkedList.cs

@@ -1,25 +1,37 @@
-using System;
+using StgSharp.Logic;
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Text;
 
 namespace StgSharp
 {
-    public class LinkedList<T> where T: INode
+    public class LinkedList<T>:IEnumerable where T: INode
     {
+        internal readonly ContainerNode<T> _heading;
         internal ContainerNode<T> _first;
         internal ContainerNode<T> _tail;
 
         private ContainerNode<T> _cache;
 
+        public LinkedList()
+        {
+            _heading = new ContainerNode<T>(default(T));
+        }
+
         public T First
         {
-            get { return _first._this; }
-            set { _first = new ContainerNode<T>(value); }
+            get { return _first._value; }
+            set 
+            {
+                _first = new ContainerNode<T>(value);
+                _heading._next = _first;
+            }
         }
 
         public T Tail
         {
-            get { return _tail._this; }
+            get { return _tail._value; }
             set { _tail = new ContainerNode<T>(value); }
         }
 
@@ -53,8 +65,9 @@ namespace StgSharp
             }
         }
 
-
-
-        
+        IEnumerator IEnumerable.GetEnumerator()
+        {
+            return new LinkedListEnumrator<T>(this);
+        }
     }
 }