cial">::</span><span class="identifier">filesystem</span><span class="special">::</span><span class="identifier">path</span> <span class="special">&amp;</span> lib_path<span class="special">,</span> 
              <span class="identifier">load_mode</span><span class="special">::</span><span class="identifier">type</span> mode <span class="special">=</span> <span class="identifier">load_mode</span><span class="special">::</span><span class="identifier">default_mode</span><span class="special">)</span><span c