コード例 #1
0
        static QueryResult()
        {
            expressionParser.AddFunc("rand", inputs =>
            {
                if (inputs == null)
                {
                    throw new ArgumentNullException(nameof(inputs));
                }
                if (inputs.Length != 2)
                {
                    throw new ArgumentException("Function random should have only two input parameter.", nameof(inputs));
                }

                float min = (float)inputs[0];
                float max = (float)inputs[1];

                if (min > max)
                {
                    throw new ArgumentException("The first parameter should be less then the second", nameof(inputs));
                }

                return(random.NextDouble() * (max - min) + min);
            });
        }