void Main()
{
	// Write code to test your extensions here. Press F5 to compile and run.
}

public static class MyExtensions
{
	// Write custom extension methods here. They will be available to all queries.
	public static IEnumerable<T> Prepend<T>(this IEnumerable<T> sequence, T element) =>
	new[] { element }.Concat(sequence);

	public static string Stringify<T>(this IEnumerable<T> sequence)
	{
		if (sequence.Count() == 0)
		{
			return "Empty";
		}

		return string.Join(",", sequence);
	}

	public static T DumpWithCurrentMethodName<T>(this T o, [CallerMemberName] string callerName = "")
	{
		return o.Dump(callerName);
	}
}



// You can also define non-static classes, enums, etc.