public static decimal CalculateToll(object vehicle) =>
	vehicle switch
	{
		DeliveryTruck t when t.GrossWeightClass > 5000 => 10.00m + 5.00m,
		DeliveryTruck t when t.GrossWeightClass < 3000 => 10.00m - 2.00m,
		DeliveryTruck _ => 10.00m,
		_ => throw new ArgumentException("Not a known vehicle type", nameof(vehicle))
	};

DeliveryTruck t when t.GrossWeightClass switch
{
	> 5000 => 10.00m + 5.00m,
	< 3000 => 10.00m - 2.00m,
	_ => 10.00m,
},
DeliveryTruck t when t.GrossWeightClass switch
{
	< 3000 => 10.00m - 2.00m,
	>= 3000 and <= 5000 => 10.00m,
	> 5000 => 10.00m + 5.00m,
},

switch (DateTime.Now.DayOfWeek)
{
	case DayOfWeek.Sunday:
	case DayOfWeek.Saturday:
		Console.WriteLine("The weekend");
		break;
	case DayOfWeek.Monday:
		Console.WriteLine("The first day of the work week.");
		break;
	case DayOfWeek.Friday:
		Console.WriteLine("The last day of the work week.");
		break;
	default:
		Console.WriteLine("The middle of the work week.");
		break;
}

switch (str)
{
	case "1":
	case "small":
		cost += 25;
		break;
	case "2":
	case "medium":
		cost += 25;
		goto case "1";
	case "3":
	case "large":
		cost += 50;
		goto case "1";
	default:
		Console.WriteLine("Invalid selection. Please select 1, 2, or 3.");
		break;
}

switch (sh)
{
	// Note that this code never evaluates to true.
	case Shape shape when shape == null:
		break;
	case null:
		break;
	case Rectangle r when r.Length == r.Width && r.Area > 0:
		break;
	default:
		break;
}

switch (coll)
{
	case Array arr:
		break;
	case IEnumerable<int> ieInt:
		break;
	case object o:
		break;
	default:
		break;
}

bool IsValidPercentage(object x) => x is
	>= 0 and <= 100 or    // integer tests
	>= 0F and <= 100F or  // float tests
	>= 0D and <= 100D;    // double tests

bool isSmallByte(object o) => o is byte and < 100;

case (0, int x):
case (int x, 0):
	Console.WriteLine(x);

case < 2: break;
case 0 or 1 or 2 or 3 or 4 or 5: break;

int x = b switch { <100 => 0, 100 => 1, 101 => 2, >101 => 3 };

----------------------------------------------------

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----------------------------------------------------

Checks for switch statements and expressions.