<span class="cn">T</span><span class="op">$</span><span class="fu">assign</span><span class="op">(</span>A <span class="op">=</span> <span class="fl">1</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span><span class="co"># Test whether S and T are equal</span></span></span>
<span class="r-in"><span><span class="va">S</span> <span class="op">%==%</span> <span class="cn">T</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1]