public static int Seek(Position begin, Position end, out Position result, byte byte0, byte byte1, byte byte2)
{
var enumerator = new ReadOnlyBuffer(begin, end).GetEnumerator();
while (enumerator.MoveNext())
{
var span = enumerator.Current.Span;
int index = span.IndexOfAny(byte0, byte1, byte2);
if (index != -1)
{
result = enumerator.CreateCursor(index);
return(span[index]);
}
}
result = end;
return(-1);
}