pan><span class=special>() </span><span class=special>)
    </span><span class=special>{ </span><span class=special>}
    
    </span><span class=keyword>template</span><span class=special>&lt; </span><span class=keyword>class </span><span class=identifier>T </span><span class=special>&gt;
    </span><span class=keyword>void </span><span class=keyword>operator</span><span class=special>()( </span><span class=identifier>T </span><span class=identifier>r </span><span class=special>)
    </span><span class=spe