public void Merge(Joined other)
{
if (MF == null)
{
MF = other.MF;
}
if (SLR == null)
{
SLR = other.SLR;
}
if (LB == null)
{
LB = other.LB;
}
if (SBC == null || !SBC.Any())
{
SBC = other.SBC;
}
if (Receipt == null)
{
Receipt = other.Receipt;
}
}
public bool IsEmpty() => MF == null && SLR == null && LB == null && (SBC == null || !SBC.Any());