public static Random <T> OneOf <T>(params T[] items)
{
if (items.Length == 0)
{
throw new InvalidOperationException("Unable to select a value from an empty array");
}
return
(from index in MakeRandom.Next(0, items.Length)
select items[index]);
}
public static Random <Angle> RandomAngle() => MakeRandom.NextDouble().Select(Convert.ToDecimal).Select(Angle.FromRotations);
public static Random <decimal> RandomDecimal(decimal min, decimal max, decimal curvature = 1) => MakeRandom.NextDouble() .Select(x => Math.Pow(x, Convert.ToDouble(curvature))) .Select(x => x * Convert.ToDouble(max - min)) .Select(Convert.ToDecimal) .Select(x => x + min);
