public int IndexOf(Arc <TData, TOffset> item) { return(_arcs.IndexOf(item)); }
public bool Contains(Arc <TData, TOffset> item) { return(_arcs.Contains(item)); }
public bool Remove(Arc <TData, TOffset> item) { CheckFrozen(); return(_arcs.Remove(item)); }
void ICollection <Arc <TData, TOffset> > .Add(Arc <TData, TOffset> arc) { AddInternal(arc); }