vkhorikov

public class OrderSubmitted : IDomainEvent
{
    public Order Order { get; }
}

vkhorikov

public class Customer
{
    private CustomerStatus _status = CustomerStatus.Regular;

    public void Promote()
    {
        _status = CustomerStatus.Preferred;
    }

    public decimal GetDiscount()

vkhorikov

public struct Email
{
    public string Value { get; }
    public bool IsConfirmed { get; }

    public Email(string value, bool isConfirmed)
    {
        Value = value;
        IsConfirmed = isConfirmed;
    }

vkhorikov

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

vkhorikov

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

vkhorikov

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

    public string Value { get; }

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

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

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

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