149                     return operands[0].Evaluate() == null;  in Execute()
151                     return operands[0].Evaluate() != null;  in Execute()
157                             var value = operand.Evaluate();  in Execute()
167                         var value = operands[0].Evaluate();  in Execute()
181                         var value = operands[0].Evaluate();  in Execute()
195                             var value = System.Convert.ToDecimal(operand.Evaluate());  in Execute()
206                             var value = System.Convert.ToDecimal(operand.Evaluate());  in Execute()
214 …                decimal sum = operands.Select(op => System.Convert.ToDecimal(op.Evaluate())).Sum();  in Execute()
221                             sum += System.Convert.ToDecimal(operand.Evaluate());  in Execute()
225                     return operands[0].Evaluate().ToString().Length;  in Execute()
227                     return operands[0].Evaluate().ToString().ToUpper();  in Execute()
229                     return operands[0].Evaluate().ToString().ToLower();  in Execute()
241                     return ((DateTime)operands[0].Evaluate()).Year;  in Execute()
243                     return ((DateTime)operands[0].Evaluate()).Month;  in Execute()
245                     return ((DateTime)operands[0].Evaluate()).Day;  in Execute()
247                     return ((DateTime)operands[0].Evaluate()).Hour;  in Execute()
249                     return ((DateTime)operands[0].Evaluate()).Minute;  in Execute()
251                     return ((DateTime)operands[0].Evaluate()).Second;  in Execute()
253                     return ((DateTime)operands[0].Evaluate()).Millisecond;  in Execute()
257                     return ((DateTime)operands[0].Evaluate());  in Execute()
259                     return ((DateTime)operands[0].Evaluate()) - ((DateTime)operands[1].Evaluate());  in Execute()
278                     .Invoke(null, operands.Skip(1).Select(op => op.Evaluate()).ToArray());  in EvaluateMathCallInvoke()
282 …     return operands[0].Type.GetProperty(propertyName).GetValue(operands.First().Evaluate(), null);  in EvaluateStatardMemberAccess()
288                                        .Invoke(operands[0].Evaluate(),  in EvaluateStandardCallInvoke()
289 …                                           operands.Skip(1).Select(op => op.Evaluate()).ToArray());  in EvaluateStandardCallInvoke()