mod interior_mutability;
mod reference_counting;
mod reference_cycles;
mod smart_pointer;
pub fn smart_pointer() {
smart_pointer::heap_box();
smart_pointer::cons_list();
smart_pointer::deref();
smart_pointer::drop_trait();
smart_pointer::std_mem_drop();
reference_counting::cons_list();
interior_mutability::cons_list();
reference_cycles::cons_list();
reference_cycles::weak_reference();
}