private static void Scan(BMultiMap <int, Pair <ILNode, int> > locations, int charIndex, IndexRange targetRange, int scanDirection, int iterations, Dictionary <Pair <ILNode, IndexRange>, float> results)
{
for (int i = locations.FindLowerBound(charIndex); iterations > 0; iterations--, i += scanDirection)
{
var pair = locations.TryGet(i, out bool fail);
if (!fail)
{
var nodeWithRange = Pair.Create(pair.Value.Item1, RangeOf(pair));
float score = GetMismatchScore(pair, targetRange);
if (score < results.TryGetValue(nodeWithRange, float.MaxValue))
{
results[nodeWithRange] = score;
}
}
}
}