s="if">IButtonPusherProvider</span><span class="pn">,</span> <span onmouseout="hideTip(event, 'fs9', 29)" onmouseover="showTip(event, 'fs9', 29)" class="rt">unit</span><span class="pn">,</span> <span class="id">_</span><span class="pn">&gt;</span> <span class="o">=</span> <span onmouseout="hideTip(event, 'fs20', 30)" onmouseover="showTip(event, 'fs20', 30)" class="k">eff</span> <span class="pn">{</span>
    <span class="c">//code</span>
    <span class="k">do!</span> <span onmouseout="hideTip(event, 'fs21',