public RoopsSet()
{
map = new RoopsMap();
}
public RoopsMap(/*@ nullable @*/ RoopsMap <K, V> rhs)
{
this.root = rhs.root;
}
public RoopsSet()
{
map = new RoopsMap();
}
public RoopsSet(/*@ nullable @*/ RoopsSet <K> rhs)
{
map = new RoopsMap <K, Object>(rhs.map);
}