 class="Keyword">proc</span> <span class="Identifier">`[]`</span><span class="Other">[</span><span class="Identifier">T</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">p</span><span class="Other">:</span> <a href="bipbuffer.html#ShallowSlice"><span class="Identifier">ShallowSlice</span></a><span class="Other">[</span><span class="Identifier">T</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">k</span><span class="Other">:</span> <s