pe">L</span>, <span class="type">R</span>&gt; (<span style="white-space:nowrap">e0:<a class="type" title="Either wraps one value of two possible types." href="../thx/Either.html">Either</a>&lt;<span class="type">L</span>, <span class="type">R</span>&gt;,</span> <span style="white-space:nowrap">e1:<a class="type" title="Either wraps one value of two possible types." href="../thx/Either.html">Either</a>&lt;<span class="type">L</span>, <span class="type">R</span>&gt;</span>):<a class="type" title="Either wraps