span class="category-def">Method: </span><span><code class="def-type"><var class="var">out</var> =</code> <strong class="def-name">plus</strong> <code class="def-code-arguments">(<var class="var">A</var>, <var class="var">B</var>)</code><a class="copiable-link" href="#index-plus-1"> &para;</a></span></dt>
<dd>
<p>Addition (<code class="code">+</code> operator). Adds a <code class="code">duration</code>, <code class="code">calendarDuration</code>,
or numeric <var class="var">B</var> to a <code class="code">d