ft</p>
                          <pre class="highlight swift"><code><span class="kd">public</span> <span class="nf">init</span><span class="p">(</span><span class="n">dictionaryLiteral</span> <span class="nv">elements</span><span class="p">:</span> <span class="p">(</span><span class="kt"><a href="../Extensions/Optional.html#/s:s30ExpressibleByDictionaryLiteralP3KeyQa">Key</a></span><span class="p">,</span> <span class="kt"><a href="../Extensions/Optional.html#/s:s30ExpressibleByDictionaryLiteralP5ValueQa">