 class="kd">::</span><span class="w"> </span><span class="k">all</span><span class="o">=</span><span class="s1">&#39;(*(g0))&#39;</span><span class="w"></span>

<span class="w">   </span><span class="k">print</span><span class="w"> </span><span class="o">*</span><span class="p">,</span><span class="s1">&#39;demo15: strict mode&#39;</span><span class="w"></span>

<span class="w">   </span><span class="k">call </span><span class="n">set_mode</span><span class="p">(</span><span class="s1">&#39;strict&#39;</spa