/// <summary>Создаёт новый экземпляр класса <see cref="Purchase"/></summary>
/// <param name="merchandise">Товар</param>
/// <param name="user">Пользователь</param>
/// <param name="count">Количество</param>
public Purchase(TestUser user, Merchandise <T> merchandise, int count = 1) : base(merchandise, count)
{
}
/// <summary>Создаёт новый экземпляр класса <see cref="Storage"/></summary>
/// <param name="merchandise">Товар</param>
/// <param name="count">Количество</param>
public Storage(Merchandise <T> merchandise, int count = 1) : base(merchandise)
{
Merchandise = merchandise;
Count = count;
}
/// <summary>Создаёт новый экземпляр класса <see cref="Merchandise"/></summary>
/// <param name="merchandise">Товар</param>
protected MerchandiseAction(Merchandise <T> merchandise)
{
Merchandise = merchandise;
}