nchor"></a><code><span><span class="keyword">module</span> <a href="G/index.html">G</a></span><span> : <a href="../../Guest/module-type-VHDL/index.html">Guest.VHDL</a></span></code></div></div><div class="odoc-spec"><div class="spec exception anchored" id="exception-Invalid_output_assign"><a href="#exception-Invalid_output_assign" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">Invalid_output_assign</span> <span class="keyword">of</span> string * <a