vkhorikov

public abstract class Entity
{
    public virtual long Id { get; protected set; }
    protected virtual object Actual => this;

    public override bool Equals(object obj)
    {
        var other = obj as Entity;

        if (other is null)

vkhorikov

public class Student : Entity
{
    public string FirstName { get; private set; }
    public string LastName { get; private set; }
    public int FavoriteCourseId { get; private set; } // Foreign key
}

public class Course : Entity
{
    public string Title { get; private set; }

vkhorikov

public class PlanningTool
{
    internal int Id { get; private set; }

    // Rest of class
    public ICollection<PlanningToolTab> Tabs { get; private set; }
}

public class PlanningToolTab
{

vkhorikov

public class SomeService
{
    public void FirePeriodicJob()
    {
        /* Runs asynchronously */
    }
}

vkhorikov

public class StatisticsCalculator
{
    public async Task<(double weightDelivered, double totalCost)> Calculate(int customerId)
    {
        List<DeliveryRecord> records = await GetDeliveries(customerId);

        double weightDelivered = records.Sum(x => x.Weight);
        double totalCost = records.Sum(x => x.Cost);

        return (weightDelivered, totalCost);

vkhorikov

public class OrderRepository
{
    public void Save(Order order)
    {
        /* ... */
    }

    public Order GetById(long id)
    {
        /* ... */

vkhorikov

public class Customer
{
    public string Name { get; set; }
    public string Email { get; set; }
}

Customer customer = GetCustomer();
customer.Name = customer.Email; // Compiles perfectly

vkhorikov

public class AllowanceAmount : ValueObject
{
    public const int MaxLength = 50;

    public string Value { get; }

    private AllowanceAmount(string value)
    {
        Value = value;
    }

vkhorikov

public static class Calculator
{
    public static int Add(int value1, int value2)
    {
        return value1 + value2;
    }
}

vkhorikov

Customer customer = await session.GetAsync<Customer>(1);