public override Bookmark <T>?Next()
{
return((_s.right != SSearchTree <T> .Empty) ?
new SSearchTreeBookmark <T>(_s.right ?? throw new System.Exception("PE23"), true, _stk, Position + 1) // ok
: (_stk == SList <SSearchTree <T> > .Empty) ? null
: new SSearchTreeBookmark <T>((_stk?.First() ?? throw new System.Exception("PE24")).Value, false, //ok
(_stk ?? throw new System.Exception("PE25")) - 0, Position + 1));
}
private bool FindElementIn100Helper(SList <Payload> list, Payload toBeFound)
{
bool output = false;
for (Bookmark <Payload> current = list.First(); current != null; current = current.Next())
{
if (current.Value.Equals(toBeFound))
{
output = true;
break;
}
}
return(output);
}