นิพจน์ new ที่อนุมานชนิดจากเป้าหมาย

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        List<int> numbers = new();
        numbers.Add(1);
        Console.WriteLine(numbers.Count);
    }
}

using System;
using System.Text;

class Program {
    static void Main() {
        StringBuilder sb = new();
        sb.Append("Hi");
        Console.WriteLine(sb.ToString());
    }
}

using System;

class Point {
    public int X, Y;
    public Point(int x, int y) { X = x; Y = y; }
}
class Program {
    static void Main() {
        Point p = new(3, 4);
        Console.WriteLine(p.X + ", " + p.Y);
    }
}

using System;

class User {
    public string Name;
    public int Age;
}
class Program {
    static void Main() {
        User u = new() { Name = "Ann", Age = 30 };
        Console.WriteLine(u.Name + " " + u.Age);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static List<string> items = new();
    static void Main() {
        items.Add("a");
        Console.WriteLine(items.Count);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Print(List<int> list) {
        Console.WriteLine(list.Count);
    }
    static void Main() {
        Print(new());
    }
}

using System;
using System.Collections.Generic;

class Program {
    static List<int> Make() {
        return new() { 1, 2, 3 };
    }
    static void Main() {
        Console.WriteLine(Make().Count);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        var a = new List<int>();
        List<int> b = new();
        Console.WriteLine(a.Count + b.Count);
    }
}

using System;

class Program {
    static void Main() {
        object o = new object();
        Console.WriteLine(o.GetType().Name);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        Dictionary<string, List<int>> map = new();
        map["a"] = new() { 1, 2 };
        Console.WriteLine(map["a"].Count);
    }
}

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        Queue<string> q = new();
        q.Enqueue("first");
        Console.WriteLine(q.Dequeue());
    }
}