public static Atom Lsh(Atom args, Context context)
{
CheckAllNumbers(args);
object res = ((Atom)args?.value).value;
for (Atom iter = args.next; iter != null; iter = iter.next)
{
res = UNumber.Lsh(res, ((Atom)iter.value).value);
}
return(new Atom(AtomType.Number, res));
}