private void MergeIfAdjacent(int left, int right)
{
Debug.Assert((right - left) == 1);
if ((left < 0) || (right >= this.items.Count))
{
return;
}
var leftItem = this.items[left];
var rightItem = this.items[right];
if (!this.valueEqualityComparer.Equals(leftItem.Value, rightItem.Value))
{
return;
}
if (Incrementor <TKey> .Adjacent(leftItem.Key.To, rightItem.Key.From))
{
this.items.RemoveAt(right);
this.items[left] = new KeyValuePair <Range <TKey>, TValue>(new Range <TKey>(leftItem.Key.From, rightItem.Key.To), leftItem.Value);
}
}
