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How many keywords I can fit into a single C# expression?

 6 years ago
source link: https://www.tuicool.com/articles/hit/QFNZfaj
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As I was playing few days ago with “ yield return await “ I got an idea to try fit as much “keywords” as possible into one “expression”. I mean as much blue words (in Visual Studio’s default colors) as possible together (not separated by semicolon, comma, colon, bracket, etc.).

Obviously yield return await gives us 3 together. One can also do yield return this , yield return base or yield return sizeof(...) . But that’s still just 3. Can I do more? While I was waiting for my car on a yearly checkup, hence I was not mindlessly wasting time, I came up with 7. 

class C
{
	async Task Test()
	{
		switch (this)
		{
			case null when await this is false:
				break;
		}
	}

	public System.Runtime.CompilerServices.TaskAwaiter<bool?> GetAwaiter() => default;
}

The case null when await this is false is the answer. At this point I ran out of time as I received a message from garage that my car is ready. Maybe you can come up with even longer solution and I’m eager to see it.


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