ufcpp

using System;
using System.Math;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)

ufcpp

using System;

public class Program
{
    public static void Main()
    {
        // This can be compiled.
        // Looks like the compiler translates this "nameof" into the nameof expression on build time.
        // However, the language service in Visual Studio interprets it as the private X.nameof method.
        var name = nameof(Main);

ufcpp

using static System.Console; // using → using static

class Program
{
    static void Main()
    {
        var x = int.Parse(ReadLine());
        WriteLine($"{nameof(x)} = {x}"); // "\{x}" → $"{x}"
    }

ufcpp

using System;
using System.Diagnostics;

public class ArgListIsTooSlow
{
    static void Main(string[] args)
    {
        const int N = 100000;
        var sw = new Stopwatch();

ufcpp

git config --global alias.u2m '!git fetch upstream; git push origin upstream/master:master -f;'

ufcpp

class A
{
    public int X { get; set; }
}

class B
{
    public readonly A A = new A();
}

ufcpp

struct Point
{
    public int X { get; set; }
    public int Y { get; set; }
}

class B
{
    public readonly Point P = new Point();
}

ufcpp

using System;

class Program
{
    static void Main()
    {
        var f = X();
        Console.WriteLine(f(1)); // 1 (value += 1)
        Console.WriteLine(f(2)); // 3 (value += 2)
        Console.WriteLine(f(3)); // 6 (value += 3)

ufcpp

using System;

class Point
{
    public int X { get; set; }
    public int Y { get; set; }
}

class Program
{

ufcpp

class Point
{
    public int X { get { return _x; } }
    private readonly int _x;

    public int Y { get { return _y; } }
    private readonly int _y;

    public Point(int x, int y)
    {