public override bool Write(RCSymbolScalar key, int index, object box, bool force)
{
T val = (T)box;
T old;
// The key may be null if there is no timeline.
if (_last != null && key != null)
{
if (!force && _last.TryGetValue(key, out old))
{
if (Comparer <T> .Default.Compare(val, old) == 0)
{
return(false);
}
}
_last[key] = val;
}
if (_index.Count == 0 || _index[_index.Count - 1] < index)
{
_data.Write(val);
_index.Write(index);
}
else
{
// Do we need to look for this?
bool found;
int existing = _index.BinarySearch(index, out found);
if (existing < 0)
{
throw new Exception("Invalid index " + index);
}
_data.Write(existing, val);
}
return(true);
}