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using System;
using System.Collections.Generic;
class MainClass {
public static void Main (string[] args) {
var personList = new List<Person>
{
new Person {Name="Fatih", Age=31 },
new Person {Name ="Alice", Age=2 },
new Person {Name="Mehmet", Age=30 },
new Person {Name="Eric", Age = 28 },
new Person {Name="Tarik", Age = 22 }
};
var sortByAgeAsc = (Comparison<Person>)((x, y) =>
{
int result = x.Age.CompareTo(y.Age);
return result;
});
var sortByAgeDesc = (Comparison<Person>)((x, y) =>
{
int result = y.Age.CompareTo(x.Age);
return result;
});
var sort = new Func<string, Comparison<Person>>(f =>
{
if (f == "Asc") return sortByAgeAsc;
else if (f == "Desc") return sortByAgeDesc;
return null;
});
personList.Sort(sort("Desc"));
foreach(Person person in personList)
{
Console.WriteLine($"{person.Name} {person.Age}");
}
}
public class Person
{
public string Name { get; set; }
public int Age { get; set; }
}
}