public Animal(AnimalType animalType, string name, double weight)
{
_animalType = animalType;
Name = name;
Weight = weight;
}
private static double CalculateCost(IEnumerable <Animal> animals, AnimalType type, Prices prices)
{
return(animals.Where(animal => animal.IsType(type))
.Aggregate(0.0, ((cost, animal) => cost + animal.CalculatePrice(prices))));
}
public bool IsType(AnimalType animalType)
{
return(animalType.Animal == _animalType.Animal);
}