internal static RangeSeries <TKey, TValue, TCursor> Range <TKey, TValue, TCursor>(
this RangeSeries <TKey, TValue, TCursor> series,
Opt <TKey> startKey, Opt <TKey> endKey, bool startInclusive = true, bool endInclusive = true)
where TCursor : ICursor <TKey, TValue>
{
// adjust range to efficiently nest range series, e.g. After(x).Before(y)
var newStartKey = Opt <TKey> .LargerOrMissing(series.StartKey, startKey, series.Comparer);
var newStartInclusive = newStartKey.Equals(startKey) ? startInclusive : series.StartInclusive;
var newEndKey = Opt <TKey> .SmallerOrMissing(series.EndKey, endKey, series.Comparer);
var newEndInclusive = newEndKey.Equals(endKey) ? endInclusive : series.EndInclusive;
return(new RangeSeries <TKey, TValue, TCursor>(series,
newStartKey, newEndKey, newStartInclusive, newEndInclusive));
}
internal static Series <TKey, TValue, Range <TKey, TValue, TCursor> > Range <TKey, TValue, TCursor>(
this Series <TKey, TValue, Range <TKey, TValue, TCursor> > series,
Opt <TKey> startKey, Opt <TKey> endKey, bool startInclusive = true, bool endInclusive = true)
where TCursor : ISpecializedCursor <TKey, TValue, TCursor>
{
// adjust range to efficiently nest range series, e.g. After(x).Before(y)
var newStartKey = Opt <TKey> .LargerOrMissing(series._cursor.StartKey, startKey, series.Comparer);
var newStartInclusive = newStartKey.Equals(startKey) ? startInclusive : series._cursor.StartInclusive;
var newEndKey = Opt <TKey> .SmallerOrMissing(series._cursor.EndKey, endKey, series.Comparer);
var newEndInclusive = newEndKey.Equals(endKey) ? endInclusive : series._cursor.EndInclusive;
var cursor = new Range <TKey, TValue, TCursor>(
series._cursor._cursor, newStartKey, newEndKey, newStartInclusive, newEndInclusive);
return(cursor.Source);
}
