n class="kw">pub</span> <span class="ident">eq_token</span>: <span class="macro">Token</span><span class="macro">!</span>[<span class="op">=</span>],
    <span class="kw">pub</span> <span class="ident">expr</span>: <span class="ident">Box</span><span class="op">&lt;</span><span class="ident">Expr</span><span class="op">&gt;</span>,
    <span class="kw">pub</span> <span class="ident">semi_token</span>: <span class="macro">Token</span><span class="macro">!</span>[;],
}</pre>
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