t_functor</span><span class="special">;</span>

    <span class="comment">// tokenize the given string, the bound functor gets invoked for each of </span>
    <span class="comment">// the matched tokens</span>
    <span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">placeholders</span><span class="special">::</span><span class="identifier">_1</span><span class="special">;</span>
    <span class="keyword">char</span> <span class="keyw