Index: doc/papers/OOPSLA17/evaluation/cpp-vstack.hpp
===================================================================
--- doc/papers/OOPSLA17/evaluation/cpp-vstack.hpp	(revision 90152a4860529aff7214be01cd22abd37012cd19)
+++ doc/papers/OOPSLA17/evaluation/cpp-vstack.hpp	(revision 90152a4860529aff7214be01cd22abd37012cd19)
@@ -0,0 +1,26 @@
+#pragma once
+#include "object.hpp"
+
+class stack {
+	struct node {
+		ptr<object> value;
+		node* next;
+
+		node( const object& v, node* n = nullptr );
+	};
+	node* head;
+
+	void copy(const stack& o);
+public:
+	stack();
+	stack(const stack& o);
+	stack(stack&& o);
+	~stack();
+	stack& operator= (const stack& o);
+	stack& operator= (stack&& o);
+
+	void clear();
+	bool empty() const;
+	void push(const object& value);
+	ptr<object> pop();
+};