feat: migrate from OpView to DoubleLinkedList<Op*> + multiple

funciton arguments

include/prelude/linkedlist.hpp

@@ -8,12 +8,16 @@ struct ListNode
     T value;
     ListNode* prev = nullptr;
     ListNode* next = nullptr;
+public:
+    T& get() noexcept { return value; }
+    const T& get() const noexcept { return value; }
 };
 
 template<typename T>
 class DoubleLinkedList {
 public:
     DoubleLinkedList() = default;
+    ~DoubleLinkedList() = default;
 
 public:
     static DoubleLinkedList<T> FromView(const View<T> &view)
@@ -26,7 +30,6 @@ public:
         return list;
     }
 
-public:
     View<T> ToView()
     {
         Builder<T> b;
@@ -37,6 +40,9 @@ public:
         return b.view();
     }
 
+public:
+    ListNode<T>* New(T value) const { return new ListNode<T>(value); }
+
 public:
     void Append(ListNode<T>* node)
     {