an class="mdzsyn-keyword">:a</span> <span class="mdzsyn-keyword">:b</span>] [<span class="mdzsyn-keyword">:a</span> <span class="mdzsyn-keyword">:b</span>]))
(<span class="mdzsyn-coresym">assert</span> (<span class="mdzsyn-coresym">=</span> {<span class="mdzsyn-keyword">:a</span> <span class="mdzsyn-number">1</span>} {<span class="mdzsyn-keyword">:a</span> <span class="mdzsyn-number">1</span>}))
(<span class="mdzsyn-coresym">assert</span> (<span class="mdzsyn-coresym">=</span> <span class="mdzsyn-string">"a