Yes, I know async and friends does a lot behind the scenes, but how about "clean up" items (WPF support?) from the various wish lists? Or are there other C# 5.0 features that will be coming?
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Ðаn
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what? another c#? i hope it has readonly properties :) – Aaron Anodide Oct 28 '10 at 22:32
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I have a feeling there aren't a lot of people on StackOverflow that could tell you right now if there are features that have yet to be announced. – StriplingWarrior Oct 28 '10 at 22:34
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1then this will be too localized question to this site. – Svisstack Oct 28 '10 at 22:39
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That's all that's been announced so far.
In his PDC talk, Anders did suggest that there may be some other features as well. My guess is that there won't be anything on the same scale, but I'd certainly like there to be some extras. (I'd point to a specific bit of the video, but unfortunately it looks like it's not available any more. Odd.)
It's worth bearing in mind that Eric Lippert's blog makes this point (in purple, of course, which sadly I don't think I can emulate here):
We are absolutely positively not announcing any dates or ship vehicles at this time, so don't even ask. Even if I knew, which I don't, and even if my knowledge had the faintest chance of being accurate, which it doesn't, I still wouldn't tell you.
I don't think it's going to be worth trying to pry many extra details out of anyone for the moment. I suggest we all have a lot of fun with async (and in particular give feedback - I'm sure that the earlier MS hears community feedback, the more likely it will be to affect the shipping product) and just wait to hear more.
Glorfindel
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Jon Skeet
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1In particular, Anders Hejlsberg was asked in his talk whether other (non-async-related) features were coming and he said he wouldn't comment on specifics yet, but there would be. – Joey Oct 29 '10 at 00:15
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@Joey: Yes, but I don't think it would be fair to hold Anders to that fairly vague promise :) Suppose MS decided they wanted to get the async stuff out in production ASAP - possibly to help Windows Phone 7 get more decent applications into the marketplace quickly. If they decided to put the other stuff off until C# 6, I don't think that would be unreasonable. – Jon Skeet Oct 29 '10 at 05:21
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So what is the impact to F#? Is F# going to lose its unique advantage? – Liang Wu Oct 30 '10 at 18:54
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@Liang Wu: I don't think async is all that F# has going for it - and there are suggestions that F#'s async support is neater in some ways. I think F# will be just fine :) – Jon Skeet Oct 30 '10 at 19:25
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Wait, what? My dreams of extension properties are getting crushed! :) – James Manning Jun 10 '11 at 13:52
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interestingly on the mono roadmap, they suggest C# 5 support in the next version which they expect in Fall 2011 http://www.mono-project.com/Mono_Project_Roadmap – Mark Adamson Aug 29 '11 at 22:12
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@Mark: Yes, interesting, isn't it? I doubt that the async stuff will change much now - it'll be interesting to see what else, if anything, comes in C# 5. (Eric Lippert has said that foreach semantics of capturing variables may change, but that's pretty minor.) – Jon Skeet Aug 29 '11 at 22:36
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Didn't they promise us meta-programing? [C#5 and Meta-Programming](http://codebetter.com/patricksmacchia/2010/05/31/c-5-and-meta-programming/) I don't see any metaprogramming CTP! :-( – xanatos Sep 05 '11 at 12:02
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1@xanatos: I don't believe I've heard anything about the Compiler as a Service API coming with C# 5. I believe that's slated for later. I believe Microsoft only said Compiler as a Service was coming "later than C# 4". – Jon Skeet Sep 05 '11 at 12:26