private string GetEnvironmentVariable()

in services/collage/csharp/Startup.cs [125:133]

• 9 lines of code
• 2 McCabe index (conditional complexity)

        private string GetEnvironmentVariable(string var)
        {
            var value = Environment.GetEnvironmentVariable(var);
            if (string.IsNullOrEmpty(value))
            {
                throw new ArgumentNullException(var);
            }
            return value;
        }