pan>
<span class="keyword">typedef</span> <span class="identifier">bm_type</span><span class="special">::</span><span class="identifier">value_type</span> <span class="identifier">book</span><span class="special">;</span>

<span class="identifier">bm_type</span> <span class="identifier">bm</span><span class="special">;</span>

<span class="identifier">bm</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span>

    <span class="identifier">book</span><span cla