private static string GetReadLine()

in Hands-on lab/lab-files/starter-project/CloudToDevice/Program.cs [54:70]

• 15 lines of code
• 3 McCabe index (conditional complexity)

        private static string GetReadLine(String msg, string[] validChars)
        {
            string keyPressed;
            bool valid = false;

            Console.WriteLine();
            do
            {
                Console.Write(msg);
                keyPressed = Console.ReadLine();
                Console.WriteLine();
                if (Array.Exists(validChars, ch => ch.Equals(keyPressed.ToUpper())))
                    valid = true;

            } while (!valid);
            return keyPressed;
        }