using System;

using System.Collections.Generic;

​

​

namespace Bob

{

    public class Person

    {

        public string id { get; set; }

        public string name { get; set; }

    }

​

    public interface IPerson<T>

    {

        List<T> Get();

    }

​

​

    class aPerson : IPerson<Person>

    {

        public List<Person> Get() //The constraints for type parameter 'Person' of method 'Program.aPerson.Get<Person>()' must match the constraints for type parameter 'T' of interface method 'Program.IPerson.Get<T>()'

        {

            List<Person> aLst = new List<Person>()

    {

        new Person { id = "1001", name = "John" }, //Cannot create an instance of the variable type 'Person' because it does not have the new() constraint  

        new Person { id = "1002", name = "Jack" }

    };

​

            return aLst;

        }

    }

}