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