static public void ProcessWithIntsLine <T>(this ICollection <T> item, int start, int end, bool include_end, Process <int, T> process)
{
Ints.Line(start, end, item.Count, include_end).ProcessTandemStrict(item, process);
}
static public IEnumerable <int> GetNumbering(int number)
{
return(Ints.Ray(1, 1, number));
}
static public void ProcessWithIntsRay <T>(this ICollection <T> item, int start, int step, Process <int, T> process)
{
Ints.Ray(start, step, item.Count).ProcessTandemStrict(item, process);
}