ルールとメッセージの内容

var filter = Builders<Book>.Filter.Eq(b => b.Genre, "Theory") &
    Builders<Book>.Filter.Gte(b => b.Price, 10);

var filter = Builders<Book>.Filter.Eq(b => b.Price + 2, 1);

var results = queryableColl
    .Where(b => b.Genre == "Theory")
    .OrderBy(b => b.Price);

var results = queryableColl.Where(b => b.GetHashCode() == 1);

var results = queryableColl
    .Where(b => b.Price + 1 == 21)
    .Where(b => "Re-release: " + b.Title == "Re-release: Siddhartha");

public class Person
{
   [BsonId]
   public int Id { get; set; }
   public string FirstName { get; set; }
   public string LastName { get; set; }
   public int Age { get; set; }
   [BsonIgnore]
   public double Income { get; set; }
}

public class Appointment
{
   [BsonDateTimeOptions(DateOnly = true, Kind = DateTimeKind.Local)]
   public decimal Date { get; set; }
   public string Doctor { get; set; }
}