r>string</span><span class=special>&gt;::</span><span class=identifier>iterator </span><span class=identifier>it</span><span class=special>;
        </span><span class=keyword>for </span><span class=special>(</span><span class=identifier>it </span><span class=special>= </span><span class=identifier>v</span><span class=special>.</span><span class=identifier>begin</span><span class=special>(); </span><span class=identifier>it </span><span class=special>!= </span><span class=identifier>v</span><span class=spec