ed.define_assoc_struct.expression_semantics">Expression
        Semantics</a>
      </h5>
<p>
        The above macro generates the necessary code that defines and adapts <code class="computeroutput"><span class="identifier">struct_name</span></code> as a model of <a class="link" href="../sequence/concepts/random_access_sequence.html" title="Random Access Sequence">Random
        Access Sequence</a> and <a class="link" href="../sequence/concepts/associative_sequence.html" title="Associative Sequence">Associ