IEnumerable <TOut> InternalScan <TOut>(LightningTransaction lt, FdbKeyRange range,
Func <Slice, byte[], TOut> convert)
{
ushort x = 0;
using (var c = lt.CreateCursor(_ld)) {
if (!c.MoveToFirstAfter(range.Begin.GetBytes()))
{
yield break;
}
var pair = c.Current;
for (var i = 0; i < int.MaxValue; i++)
{
var current = Slice.Create(pair.Key);
if (!range.Contains(current))
{
break;
}
x += 1;
yield return(convert(current, pair.Value));
if (!c.MoveNext())
{
break;
}
pair = c.Current;
}
}
}