internal TopChainer(Chainer prev, Nullable <long> top, bool isWithTies, bool overloader)
: base(prev)
{
if (top != null)
{
prev.SetTop((long)top, isWithTies);
}
else
{
SkipBuild = true;
}
}
internal TopChainer(Chainer prev, double top, bool isWithTies)
: base(prev)
{
prev.SetTop(top, isWithTies);
}