required</span> <span class="nf">init</span><span class="p">(</span><span class="n">from</span> <span class="nv">decoder</span><span class="p">:</span> <span class="kt">Decoder</span><span class="p">)</span> <span class="k">throws</span> <span class="p">{</span>
            <span class="k">let</span> <span class="nv">dataContainer</span> <span class="o">=</span> <span class="k">try</span> <span class="n">decoder</span><span class="o">.</span><span class="nf">container</span><span class="p">(</span><span cla