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

   #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：

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：

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 }

https://bulisor.github.io/Experiments/
https://github.com/BabylonJS/Babylon.js
https://github.com/Bulisor/SmarTeam3D/

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/