_ASSERT</span></code>:
            This assertion will be used in insertion functions of the intrusive containers
            to check that the hook of the value to be inserted is default constructed.
          </li>
<li class="listitem">
            <code class="computeroutput"><span class="identifier">BOOST_INTRUSIVE_SAFE_HOOK_DESTRUCTOR_ASSERT</span></code>:
            This assertion will be used in hooks' destructors to check that the hook
            is in a default state.
          </li>
</ul></div>
