code: public JcString left(int n) {
  		JcNumber left = new JcNumber(n, this, OPERATOR.Common.COMMA_SEPARATOR);
  		SubString ret = new SubString(null, left,
  				new FunctionInstance(FUNCTION.String.LEFT, 2));
  		QueryRecorder.recordInvocationConditional(this, "left", ret, QueryRecorder.literal(n));
  		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>return a string containing the left n characters of the original string</i></div>
  <br/>