class my_obj
{
public:
    my_obj(some_internal_initialization_value_ v);

    std::wstring friendly_name() const;
    // ...
};

class my_iterator
    : public boost::iterator_facade<
        my_iterator,
        my_obj,
        boost::forward_traversal_tag>
{
    // ...
private:
    my_obj& dereference() const
    {
        // warning C4172: returning address of local variable or temporary
        return my_obj(some_internal_initialization_value_);
    }
};

int main( int argc, char* argv[])
{
    my_container c;
    for (auto o = c.begin(); o != c.end(); ++o)
        printf( "%sn", o->friendly_name().c_str() );
}

my_container c;
for (auto i = c.begin(); i != c.end(); ++i)
{
    my_obj o(*i);
    printf( "%sn", o.friendly_name().c_str() );
}

class my_iterator
    : public boost::iterator_facade<
        my_iterator,
        my_obj,
        boost::forward_traversal_tag,
        my_obj> //dereference returns "my_obj" not "my_obj&"