using System;

using System.Collections.Immutable;

public class Program

{

    public static void Main()

    {

        ImmutableArray<object> a = ImmutableArray<object>.Empty;

        ImmutableArray<object> b = ImmutableArray<object>.Empty;

        ImmutableArray<object> c = [];

        ImmutableArray<object> d = [];

        Console.WriteLine($"a == b: {a == b}");

        Console.WriteLine($"a == c: {a == c}");

        Console.WriteLine($"c == d: {c == d}");

    }

}