code: public JcNumber toInt() {
  		JcNumber ret = new JcNumber(null, this,
  				new FunctionInstance(FUNCTION.Common.TOINT, 1));
  		QueryRecorder.recordInvocationConditional(this, "toInt", ret);
  		return ret;
  	}
docs: <div color='red' style="font-size:24px;color:red"><b><i><u>JCYPHER</u></i></b></div>
  <div color='red' style="font-size:18px;color:red"><i>convert the argument to an integer, return a <b>JcNumber</b>, if the conversion fails return NULL</i></div>
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