&lt;</span> <span class="string">"Contains (1.5, 2.5): "</span>
        <span class="special">&lt;&lt;</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">boolalpha</span>
        <span class="special">&lt;&lt;</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">within</span><span class="special">(</span><span class="identifier">boost</span><spa