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  • C#切片语法糖

     //myArray[0..5] 这是切分myArray数组,取的索引为0-5的数据
    foreach (var item in myArray[0..5])

    var myarr = new string[] { "10", "20", "30", "40", "50", "60", "70", "80", "90", "100" };
    //提取数组myarr的前3个元素
    var reult = myarr[0..3];
    //使用linq提取
    var result = myarr.Skip(0).Take(3);
    --------输出结果:10/20/30--------
    var myarr = new string[] { "10", "20", "30", "40", "50", "60", "70", "80", "90", "100" };
    //提取myarr中倒数第二个元素和倒数第三个元素
    var result = myarr[^3..^1];
    //使用linq提取
    var result = myarr.Skip(myarr.length-3).Take(2);
    --------输出结果:80/90--------
    var myarr = new string[] { "10", "20", "30", "40", "50", "60", "70", "80", "90", "100" };
    //提取myarr中索引index=4、5、6的3个元素
    var result = myarr[4..7];
    //使用linq提取
    var result = myarr.Skip(4).Take(3);
    --------输出结果:50/60/70--------
    var myarr = new string[] { "10", "20", "30", "40", "50", "60", "70", "80", "90", "100" };
    //提取myarr的最后3个元素
    var result = myarr[^3..];
    //使用linq提取
    var result = myarr.Skip(myarr.length-3);
    --------输出结果:80/90/100--------
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  • 原文地址:https://www.cnblogs.com/YYkun/p/13728537.html
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