ass="identifier">interval_bounds</span><span class="special">::</span><span class="identifier">closed</span><span class="special">());</span>
    <span class="identifier">discrete_interval</span><span class="special">&lt;</span><span class="identifier">date</span><span class="special">&gt;</span> <span class="identifier">claudias_vacation</span><span class="special">(</span><span class="identifier">from_string</span><span class="special">(</span><span class="string">"2008-08-01"</span><span class="special">