lambda-基于谓词筛选值序列

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LambdaTest
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> list = new List<int>();
            list.AddRange(new int[] { 7, 6, 10, 1, 2, 3, 4, 5, 8 });

            Func<int, bool> fi = new Func<int, bool>(MoreThan5);
            IEnumerator<int> ie = list.Where<int>(fi).GetEnumerator();

            //效果与list.Where<int>(fi).GetEnumerator()一致
            //IEnumerator<int> ie = list.Where<int>(x => x > 5).GetEnumerator();

            //效果与list.Where<int>(fi).GetEnumerator()一致
            //IEnumerator<int> ie = list.Where(delegate(int i){return i > 5;}).GetEnumerator();

            while (ie.MoveNext())
            {
                Console.WriteLine(ie.Current.ToString());
            }

            Console.ReadKey();
        }

        public static bool MoreThan5(int i)
        {
            return i > 5;
        }
    }
}