>
            and <code class="computeroutput"><span class="identifier">Z</span></code> are implicitly
            convertible.
          </li>
<li class="listitem">
            assignment between <code class="computeroutput"><span class="identifier">quantity</span><span class="special">&lt;</span><span class="identifier">Unit</span><span class="special">,</span><span class="identifier">Y</span><span class="special">&gt;</span></code> and <code class="computeroutput"><span class="identifier">quantity</span>