ss="Identifier">hasKeyOrPut</span></a><span class="Other">(</span><span class="Identifier">t</span><span class="Other">:</span> <a href="limdb.html#Transaction"><span class="Identifier">Transaction</span></a><span class="Other">;</span> <span class="Identifier">key</span><span class="Other">,</span> <span class="Identifier">val</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.
    <span><s