Packing Bytes

DayOfWeek.cs

public enum DayOfWeek 
{
  Sunday = 0,
  Monday = 1,
  Tuesday = 2,
  Wednesday = 3,
  Thursday = 4,
  Friday = 5,
  Saturday = 6
}

private byte PackedDays { get; set; }

public DayOfWeek StartDay
{
    get { return (DayOfWeek)(PackedDays & 15); }
    set { PackedDays |= (byte)value; }
}

[BsonIgnore]
public DayOfWeek EndDay
{
    get { return (DayOfWeek)(PackedDays >> 4); }
    set { PackedDays |= (byte)((byte)value << 4); }
}