jskeet

Stream stream = File.OpenRead("foo");
Console.WriteLine("Before using");
using (stream)
{
    // Whatever...
}
Console.WriteLine("After using statement - variable is still in scope");

jskeet

using System;

static class Test
{
    private static void Foo(this string text)
    {
        Console.WriteLine(text);
    }
    
    static void Main()

jskeet

using System;

interface IFoo
{
    void DoWork()
    {
        Console.WriteLine("Default implementation");
    }
}

jskeet

public boolean setVal(int v) {
    int oldVal = val;
    val = v;
    return oldVal != v;
}

jskeet

using System;
using System.Threading;

struct Foo
{
    private readonly int value;
    
    public Foo(int value)
    {
        this.value = value;

jskeet

import java.util.*;
import java.text.*;

public class Test {
    public static void main(String[] args) throws Exception {
        String text = "2020-05-05T09:30:00";
        Locale locale = Locale.ROOT;
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(
            "yyyy-MM-dd'T'HH:mm:ss", locale);
        simpleDateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));

jskeet

using System;

class Program
{
    static void Main(string[] args)
    {
        M("foo");
        M(new object());
    }

jskeet

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp3.1</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="System.Buffers" Version="4.5.1" />
    <PackageReference Include="System.Memory" Version="4.5.4" />

jskeet

using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        CaptureLoopVariable(); // Prints 5 5 5 5 5
        CaptureCopyOfLoopVariable(); // Prints 0 1 2 3 4
    }

jskeet

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;

namespace LoopingEnumerable
{
    public class Translation
    {
        public string TranslatedText { get; set; }