class="identifier">const_entry</span> <span class="special">&amp;</span> <a class="link" href="basic_environment/const_entry_type.html#idp51455008-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">const_entry</span> <span class="special">&amp;</span><span class="special">)</span> <span class="special">=</span> <span class="keyword">default</span><span class="special">;</span>

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