e definition of <code>sep!</code> as follows:</li>
</ul>

<div class='information'><div class='tooltip ignore'>ⓘ<span class='tooltiptext'>This example is not tested</span></div></div><pre class="rust rust-example-rendered ignore">
 (<span class="macro-nonterminal">$</span><span class="macro-nonterminal">i</span>:<span class="ident">expr</span>,  <span class="macro-nonterminal">$</span><span class="macro-nonterminal">separator</span>:<span class="ident">path</span>, <span class="ident">my_combinator</span>