gistfile1.cpp

#include <boost/shared_ptr.hpp>
#include <iostream>

struct T {
    boost::shared_ptr<MayBe<T> > next;
    int i;
    
    T() { i = 10; }
};



int main() {
    MayBe<T> x(MayBeDefault);
    x->next.reset(new MayBe<T>(MayBeDefault));
    
    x = *x->next;
    
    std::cout << x->i;
}