ar</span> <span class="mdzsyn-string">"(bb)"</span>) <span class="mdzsyn-comment"># -&gt; @[]</span>
(<span class="mdzsyn-coresym">peg/match</span> <span class="mdzsyn-symbol">my-grammar</span> <span class="mdzsyn-string">"(babbab)"</span>) <span class="mdzsyn-comment"># -&gt; @[]</span>
(<span class="mdzsyn-coresym">peg/match</span> <span class="mdzsyn-symbol">my-grammar</span> <span class="mdzsyn-string">"(baab)"</span>) <span class="mdzsyn-comment"># -&gt; nil</span>
(<span class="mdzsyn-coresym">peg/mat