1 files changed, 12 insertions, 0 deletions
diff --git a/node/BaseNode.hh b/node/BaseNode.hh
index ab0b96a..bec9ebd 100644
--- a/node/BaseNode.hh
+++ b/node/BaseNode.hh
@@ -1,6 +1,8 @@
 #ifndef PCC_BASENODE_H
 #define PCC_BASENODE_H
 
+#include <vector>
+
 #include "Context.hh"
 
 namespace pcc {
@@ -12,6 +14,16 @@ class BaseNode {
   protected:
     Context* context_;
 };
+
+template <typename T, class Base = BaseNode> class ListNode : public Base {
+  public:
+    ListNode(Context* context)
+        : Base(context) {}
+    virtual Value CodeGen();
+
+  private:
+    std::vector<T> childs_;
+};
 } // namespace pcc
 
 #endif