CSharp: Classes, Structures, And Records in c# 10(donet 6)

 

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#region Record Types Record Class  in C# 10  /// <summary>  /// Positional parameters syntax  /// 位置参数的语法  /// </summary>  /// <param name="EmployeeId"></param>  /// <param name="FirstName"></param>  /// <param name="LastName"></param>  public record Employee(string EmployeeId, string FirstName, string LastName);  /// <summary>  /// Standard property syntax  /// 标准属性的语法  /// </summary>  public record DuEmployee  {      public string EmployeeId { get; init; }      public string FirstName { get; init; }      public string LastName { get; init; }  }  #endregion      #region  Record Structures    /// <summary>  /// Positional parameters syntax  /// 位置参数的语法  /// </summary>  /// <param name="EmployeeId"></param>  /// <param name="FirstName"></param>  /// <param name="LastName"></param>  public readonly record struct GeovinEmployee(string EmployeeId, string FirstName, string LastName);    /// <summary>  /// Standard property syntax  /// 标准属性的语法  /// </summary>  public readonly record struct GeovinDuEmployee  {      public string EmployeeId { get; init; }      public string FirstName { get; init; }      public string LastName { get; init; }  }    #endregion    #region Record Class  /// <summary>  /// Positional parameters syntax  /// 位置参数的语法  /// </summary>  /// <param name="EmployeeId"></param>  /// <param name="FirstName"></param>  /// <param name="LastName"></param>  public record TuEmployee(string EmployeeId, string FirstName, string LastName)  {      public string Designation { get; set; }  }  /// <summary>  /// Standard property syntax  /// 标准属性的语法  /// </summary>  public record TujuEmployee  {      public string EmployeeId { get; init; }      public string FirstName { get; init; }      public string LastName { get; init; }      public string Designation { get; set; }  }    #endregion    #region The record structs  /// <summary>  /// Positional parameters syntax  /// 位置参数的语法  /// </summary>  /// <param name="EmployeeId"></param>  /// <param name="FirstName"></param>  /// <param name="LastName"></param>  /// <param name="Designation"></param>  public record struct TujuwenEmployee(string EmployeeId, string FirstName, string LastName, string Designation);    /// <summary>  /// Standard property syntax  /// 标准属性的语法  /// </summary>  public record struct LukEmployee  {      public string EmployeeId { get; init; }      public string FirstName { get; init; }      public string LastName { get; init; }      public string Designation { get; set; }  }      #endregion

　　

调用：

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Employee employee = new("E001", "Geovin", "Du");             Console.WriteLine(employee);               DuEmployee duemployee = new DuEmployee()             {                 EmployeeId = "E001",                 FirstName = "聚文",                 LastName = "涂"             };             Console.WriteLine(duemployee);               GeovinEmployee geovinemployee = new("E001", "Geovin", "Du");             Console.WriteLine(geovinemployee);             GeovinDuEmployee geovinduemployess = new GeovinDuEmployee()             {                 EmployeeId = "E001",                 FirstName = "聚文",                 LastName = "涂"             };               Console.WriteLine(geovinduemployess);               TuEmployee tuemployee = new("E001", "聚文", "涂") { Designation = "软件工程师" };               Console.WriteLine(tuemployee);               TujuEmployee tujuemployee = new TujuEmployee()             {                 EmployeeId = "E001",                 FirstName = "Geovin",                 LastName = "Du",                 Designation = "Software Engineer"             };               Console.WriteLine(tujuemployee);               TujuwenEmployee tujuwenemployee = new("E001", "Geovin", "Du", "软件工程师");               Console.WriteLine(tujuwenemployee);               LukEmployee lukemployee = new LukEmployee             {                 EmployeeId = "E001",                 FirstName = "聚文",                 LastName = "涂",                 Designation = "Software Engineer"             };               Console.WriteLine(lukemployee);

　　

输出：

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Employee { EmployeeId = E001, FirstName = Geovin, LastName = Du } DuEmployee { EmployeeId = E001, FirstName = 聚文, LastName = 涂 } GeovinEmployee { EmployeeId = E001, FirstName = Geovin, LastName = Du } GeovinDuEmployee { EmployeeId = E001, FirstName = 聚文, LastName = 涂 } TuEmployee { EmployeeId = E001, FirstName = 聚文, LastName = 涂, Designation = 软件工程师 } TujuEmployee { EmployeeId = E001, FirstName = Geovin, LastName = Du, Designation = Software Engineer } TujuwenEmployee { EmployeeId = E001, FirstName = Geovin, LastName = Du, Designation = 软件工程师 } LukEmployee { EmployeeId = E001, FirstName = 聚文, LastName = 涂, Designation = Software Engineer }

　　

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https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/proposals/csharp-10.0/record-structs
https://github.com/falberthen/NET6.Features
https://github.com/mganss/HtmlSanitizer
https://www.c-sharpcorner.com/article/classes-structures-and-records-oh-my/