public SpanRider(SpanVector spans, SpanPosition latestPosition = new SpanPosition(), int cp = 0)
{
_spans = spans;
_spanPosition = new SpanPosition();
CurrentPosition = 0;
Length = 0;
At(latestPosition, cp);
}
private SpanPosition _spanPosition; // index and cp of current span
public SpanRider(SpanVector spans, SpanPosition latestPosition) : this(spans, latestPosition, latestPosition.Offset)
{
}
private int _current; // current span
internal SpanEnumerator(SpanVector spans)
{
_spans = spans;
_current = -1;
}
