gistfile1.hpp

typedef struct Nil {};

template <typename H, typename T>
class Cons : public T {
protected:
  typedef T BaseType;
  H mVal;
public:
  BaseType &operator()(H aVal) {
    mVal = aVal;
    return *static_cast<BaseType*>(this);
  }
};

class Foo : public Cons<int, Cons<char*, Cons<bool, Nil> > >
{
};

// later...
Foo foo;
foo(1)("asdf")(false);