Threading Sandbox 2 | C# Online Compiler

Threading Sandbox 2 by tsieberg

using System;
using System.Threading;
using System.Threading.Tasks;
					
public class Program
{
	public static async Task Main()
	{ 
		Console.WriteLine("Hello World");
		await TestAsync();
		Console.WriteLine("Goodbye World");
	}
	
	private static async Task TestAsync()
	{
	    var t1 = DoStuffAsync(1);
		var t2 = t1.ContinueWith(x => DoSyncStuff(2));
		Console.WriteLine("Caller processing  " + DateTime.Now);
		Console.WriteLine("Task " + await t1 + " is done.    " + DateTime.Now);
		await t2;
		Console.WriteLine("Caller finished    " + DateTime.Now);
	}
	
	private static void DoSyncStuff(int number)
	{
		Console.WriteLine($"{number} will sync sleep at    " + DateTime.Now);
		Thread.Sleep(1000);  //synchronous wait
		Console.WriteLine($"{number} done sync sleeping at " + DateTime.Now);
	}
	
	private static async Task<int> DoStuffAsync(int number)
	{
		Console.WriteLine($"{number} task starting at " + DateTime.Now);
		var task = Task.Delay(2000);
		Console.WriteLine($"{number} task created  at " + DateTime.Now);
		Thread.Sleep(1000);  //synchronous wait
		Console.WriteLine($"{number} done sleeping at " + DateTime.Now);
		await task;
		Console.WriteLine($"{number} completed     at " + DateTime.Now);
		
		return number;

	}
}

​x
 
using System;
using System.Threading;
using System.Threading.Tasks;
                    
public class Program
{
    public static async Task Main()
    { 
        Console.WriteLine("Hello World");
        await TestAsync();
        Console.WriteLine("Goodbye World");
    }
    
    private static async Task TestAsync()
    {
        var t1 = DoStuffAsync(1);
        var t2 = t1.ContinueWith(x => DoSyncStuff(2));
        Console.WriteLine("Caller processing  " + DateTime.Now);
        Console.WriteLine("Task " + await t1 + " is done.    " + DateTime.Now);
        await t2;
        Console.WriteLine("Caller finished    " + DateTime.Now);
    }
    
    private static void DoSyncStuff(int number)
    {
        Console.WriteLine($"{number} will sync sleep at    " + DateTime.Now);
        Thread.Sleep(1000);  //synchronous wait
        Console.WriteLine($"{number} done sync sleeping at " + DateTime.Now);
    }
    
    private static async Task<int> DoStuffAsync(int number)
    {
        Console.WriteLine($"{number} task starting at " + DateTime.Now);
        var task = Task.Delay(2000);
        Console.WriteLine($"{number} task created  at " + DateTime.Now);
        Thread.Sleep(1000);  //synchronous wait
        Console.WriteLine($"{number} done sleeping at " + DateTime.Now);
        await task;
        Console.WriteLine($"{number} completed     at " + DateTime.Now);
        
        return number;
​
    }
}

Compilation error (line 2, col 3): Preprocessor directive expected
Compilation error (line 3, col 3): Preprocessor directive expected
Compilation error (line 4, col 1): Preprocessor directive expected
Compilation error (line 5, col 3): Preprocessor directive expected
Compilation error (line 6, col 3): Preprocessor directive expected
Compilation error (line 8, col 17): ; expected
Compilation error (line 8, col 17): Syntax error, 'switch' expected
Compilation error (line 10, col 11): Syntax error, ':' expected
Compilation error (line 10, col 11): } expected
Compilation error (line 11, col 5): Too many characters in character literal
Compilation error (line 11, col 12): ; expected
Compilation error (line 11, col 12): } expected
Compilation error (line 12, col 11): Preprocessor directive expected
Compilation error (line 13, col 11): Preprocessor directive expected
Compilation error (line 14, col 11): Preprocessor directive expected
Compilation error (line 15, col 11): Preprocessor directive expected
Compilation error (line 16, col 12): ; expected
Compilation error (line 16, col 12): Unexpected character '$'
Compilation error (line 16, col 26): ; expected
Compilation error (line 18, col 20): Invalid expression term 'lock'
Compilation error (line 18, col 20): ; expected
Compilation error (line 18, col 24): Syntax error, '(' expected
Compilation error (line 18, col 24): Invalid expression term '/'
Compilation error (line 18, col 37): ) expected
Compilation error (line 20, col 5): Too many characters in character literal
Compilation error (line 20, col 11): ; expected
Compilation error (line 20, col 11): } expected
Compilation error (line 21, col 11): Preprocessor directive expected
Compilation error (line 22, col 11): Preprocessor directive expected
Compilation error (line 23, col 11): Preprocessor directive expected
Compilation error (line 24, col 12): ; expected
Compilation error (line 24, col 12): Unexpected character '$'
Compilation error (line 24, col 26): ; expected
Compilation error (line 24, col 110): ; expected
Compilation error (line 25, col 20): Invalid expression term 'lock'
Compilation error (line 25, col 20): ; expected
Compilation error (line 25, col 24): Syntax error, '(' expected
Compilation error (line 25, col 24): Invalid expression term '/'
Compilation error (line 25, col 37): ) expected
Compilation error (line 27, col 5): } expected

Last Run:	7:48:11 pm
Compile:	0s
Execute:	0.579s
Memory:	0b
CPU:	0s

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