using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var blah = new Dictionary<string, string>()

        {

            { "SomeKey", "SomeValue" }

        };

        Dictionary<string, string> anotherBlah = null;

        var yetAnotherBlah = new Dictionary<string, string>();

        // Sanity-checking how to simplify nullable boolean checks with a default of false for null objects.

        if (blah?.Any() ?? false)

        {

            Console.WriteLine("blah?.Any() is true");

        }

        if (anotherBlah?.Any() ?? false)

        {

            Console.WriteLine("anotherBlah?.Any() is true");

        }

        if (yetAnotherBlah?.Any() ?? false)

        {

            Console.WriteLine("yetAnotherBlah?.Any() is true");

        }

        // Sanity-checking approach for finding case-insensitive keys in dictionary.

        var caseSensitiveStuff = new Dictionary<string, string>()

        {

            { "somekey", "SomeValue" },

        };

        if (caseSensitiveStuff?.Any(kvp => kvp.Key.Trim().Equals("SomeKey", StringComparison.OrdinalIgnoreCase)) ?? false)

        {

            Console.WriteLine("SomeKey was found!!");

        }

    }

}