using System;
using System.Collections.Generic;
using System.Linq;

namespace Queries
{
    class Program
    {
        static void Main(string[] args)
        {
            var movies = new List<Movie>
            {
                new Movie {Title = "The Dark Knight", Rating = 8.9f, Year = 2008},
                new Movie {Title = "The King's Speech", Rating = 8.0f, Year = 2010},
                new Movie {Title = "Casablanca", Rating = 8.5f, Year = 1942},
                new Movie {Title = "Star Wars V", Rating = 8.5f, Year = 1980}
            };

            // filter operator from LINQ
            Console.WriteLine();
            Console.WriteLine("Filter operator from LINQ");
            var query = movies.Where(m => m.Year > 2000);
            foreach (var movie in query)
            {
                Console.WriteLine(movie.Title);
            }
            
            // filter operator using customized Filter extension
            Console.WriteLine();
            Console.WriteLine("Customerized Filter operator");
            var query2 = movies.Filter(m => m.Year > 2000);
            foreach (var movie in query2)
            {
                Console.WriteLine(movie.Title);
            }
        }
    }
}