ulselib/PulseValueHistory/index.html#type-t">Pulselib.PulseBasicInterface.ValueHistory.t</a>)</span> <span>&#45;&gt;</span> <a href="../Pulselib__PulseBaseMemory/index.html#module-Access">Pulselib.PulseDomainInterface.BaseMemory.Access</a>.t <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><a href="index.html#type-t">t</a> <a href="index.html#type-access_result">access_result</a></span></code></dt><dd><p>record that what the address points via the access to is invalid</p