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using System;
using System.Collections.Generic;
using System.Text;
using Xunit;
namespace LinqStudy.Test.LinqToObject
{
public class OtherTest
/// <summary>
/// is操作符用作if条件时,判断之后可以直接赋值给一个变量.(输出给变量)
/// 其它地方可以用as实现相同功能
/// </summary>
/// <example>
/// if (id is List-int output){output.Add(1);}
/// </example>
[Fact]
public void Is_Test()
List<int> id = new List<int>();
if (id is List<int> output)
output.Add(1);
}
var cc = id as List<int>;
cc.Add(1);