private static Result Tail(Evaluator.Args args)
{
var numElements = (int)args.GetNumSwitch("n", 10);
var flattened = args.Flatten().ToList();
return(flattened.Skip(flattened.Count - numElements).ToArray());
}
private static Result Head(Evaluator.Args args)
{
var numElements = (int)args.GetNumSwitch("n", 10);
return(args.Flatten().Take(numElements).ToArray());
}