public static Obj CreateSet(Obj[] objs, long count)
{
Debug.Assert(objs.Length >= count);
if (count != 0)
{
object[] res = Algs.SortUnique(objs, (int)count);
return(new NeSetObj((Obj[])res[0], (uint[])res[1]));
}
else
{
return(EmptyRelObj.singleton);
}
}
public static Obj CreateTernRel(Obj[] col1, Obj[] col2, Obj[] col3, long count)
{
Debug.Assert(count <= col1.Length && count <= col2.Length && count <= col3.Length);
if (col1.Length != 0)
{
Obj[][] normCols = Algs.SortUnique(col1, col2, col3, (int)count);
return(new NeTernRelObj(normCols[0], normCols[1], normCols[2]));
}
else
{
return(EmptyRelObj.singleton);
}
}