#pragma once

#define self (*this)

namespace intellect {
namespace level0 {

struct concept;
struct ref;
template <typename T> struct value;
template <typename T> struct vref;

}
namespace level1 { struct ref; template <typename> struct vref; }
namespace level2 { struct ref; template <typename> struct vref; }
namespace level3 { struct ref; template <typename> struct vref; }
namespace level4 { struct ref; template <typename> struct vref; }
namespace level5 { struct ref; template <typename> struct vref; }
}