Bike.Interpreter.Interpreter.HashCode C# (CSharp) Метод

        public int HashCode(object obj)
        {
            if (obj == null)
                throw ErrorFactory.CreateTypeError("Invalid operand type: 'null'");
            if (obj is BikeObject)
            {
                var lbo = (BikeObject)obj;
                if (lbo.Exist("hash_code") || lbo.Exist (InterpreterHelper.MemberMissing))
                {
                    var hc = lbo.Resolve("hash_code");
                    if (hc is BikeFunction)
                    {
                        return (int)((BikeNumber)CallBikeFunction(
                            (BikeFunction)hc, lbo, new object[0])).Value;
                    }
                    throw ErrorFactory.CreateTypeError("hash_code is not a function");
                }
                throw ErrorFactory.CreateNotDefinedError("hash_code");
            }
            return obj.GetHashCode();
        }