C# Quiz: Will that compile? [Answer]

re: C# Quiz: Will that compile? [Answer]

Mike Dunn — Mon, 27 Dec 2004 20:45:00 GMT

Being a C++ guy (not a C#) guy, I would of course go for #5. :) But my second choice is #4, since those nested news and inline code can get unreadable very quickly.
IMO VS should by default produce readable code, avoiding anything like #3 altogether, which will only encourage devs to write similarly-unreadable code.

re: C# Quiz: Will that compile? [Answer]

Johan Normén — Mon, 27 Dec 2004 22:07:00 GMT

I also like #4 but it's also a temporary field and can be avoided. So then I thought #3 wasn't that bad, but as Mike says it can be unreadable. But it also depends on how big this line of code can be.
#5 is also nice, it's also very readable, anonymous methods are mostly unreadable code; you must think a little extra when you read codes with anonymous methods. Maybe this is because we aren't used to the syntax yet?

About the VS issue... humm... I think it shall be up to the developer to decide how they write there own code. No tools shall do it. Because I can’t see this case unique, there are more places where this kind of issue can appear.

Best,
Johan

re: C# Quiz: Will that compile? [Answer]

Robert Taylor — Mon, 27 Dec 2004 23:19:00 GMT

I prefer #1; it's the smallest amount of code that works.

re: C# Quiz: Will that compile? [Answer]

Anon — Tue, 28 Dec 2004 00:03:00 GMT

I think there doesn't need to be tool support for something like this - at some point it's OK to ask programmers to think and/or write code.

If the tool feels compelled to do something, it should do #4 or #5 (maybe depending on how long the delegate definition was going to be). They are the most readable options, and therefore the best defaults; options #1-3 are abominations.

re: C# Quiz: Will that compile? [Answer]

Judah — Tue, 28 Dec 2004 01:33:00 GMT

You know, since we've been using .NET 2 beta extensively at work, I can say that anonymous methods are one of the most useful new features, rivaling even generics.

That said, I feel uneasy writing many anonymous methods as the compiler generates nested classes, instanciates them, then calls a class method in place of the anonymous methods; seems like a lot of overhead, yet is such a useful feature of the language that I'd be hard pressed to go without it... Brad, could you give us some useful information on how anonymous methods are generated by the compiler and what the trade off is -- i.e. in performance intensive scenarios, should we be avoiding heavy use of anonymous methods or is the overhead small enough that the GC wouldn't be bothered much?

re: C# Quiz: Will that compile? [Answer]

Arild Fines — Tue, 28 Dec 2004 02:20:00 GMT

Number 1, definitely - short and succinct.

And I really don't understand this bias against closures/anonymouse methods. They are, for short event handlers/predicates et, far more readable than if you create a separate method. It's a rather reactionary attitude, I think.

re: C# Quiz: Will that compile? [Answer]

Ernst Kuschke (C# MVP) — Thu, 06 Jan 2005 06:26:00 GMT

I like #5. It's more re-usable, cleaner to read, and just 'feels' best.

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Just to prove that I am a true geek I thought I would tackle Brad Abrams latest C# quiz. The simple answer

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