[C#/Linq] DistinctBy 사용예제

DistinctBy 출력.

using System.Xml.Linq;

public class Example
{
    public static void Main()
    {
        Console.Write("<< DistinctBy 예제 >> \n");

        List<Car> cars = new List<Car>();
        cars.Add(new Car() { CarCode = 1, CarType = 101 });
        cars.Add(new Car() { CarCode = 1, CarType = 101 });
        cars.Add(new Car() { CarCode = 2, CarType = 101 });
        cars.Add(new Car() { CarCode = 3, CarType = 102 });
        cars.Add(new Car() { CarCode = 3, CarType = 102 });


        IEnumerable<Car> distinctCars = cars.DistinctBy(car => car.CarCode);

        foreach(var item in distinctCars)
        {
            Console.WriteLine(item.CarCode);
        }

        Console.WriteLine(System.Environment.NewLine);
        Console.WriteLine("Press any key to exit");
        Console.ReadKey();
    }
}

public class Car
{
    public int CarCode { get; set; }
    public int CarType { get; set; }
}