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On http://en.cppreference.com/w/cpp/keyword, I found a list of C++11 keywords, however some of those VS2012 didn't recognize in a C++ project.

They keywords which VS didn't identify are: alignas, alignof, constexpr, noexcept, and thread_local.

Microsoft's Visual Studio website says that VS2012 implements C++11, so I'm wondering why it didn't recognize those keywords. Neither did VS recognize bitor, and others which aren't even new to C++11. So is there a specific reason why VS doesn't recognize these keywords, or is there some setting that I need to change? I have all the updates, so I don't think that is the problem.

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    just because vs2012 implements most of the c++11 standard doesn't mean it supports all of it Commented Jun 25, 2013 at 23:44
  • Ok because on the website, it said that VS2012 implemented C++11, so I took that to mean it implemented all of it. And out of curiosity, why wouldn't they implement all of it. For a high-end IDE, it seems like a logical thing to do. Commented Jun 25, 2013 at 23:46
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    What website? Here is the official list. Look at all the Nos. Note that there should be some new announcements about C++11 support during or after the Build conference (June 26-28). Commented Jun 25, 2013 at 23:47
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    Honestly it's a lot of work clang and gcc only recently finished full support of c++11, c++ is one of the most complex languages so it is not easy to write a compiler for it Commented Jun 25, 2013 at 23:47
  • @JesseGood. Got it. I didn't scroll down Commented Jun 25, 2013 at 23:56

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Support of C++11 in VS 2012 as you see is incomplete. The keyword list you provide looks like matching the unimplemented stuff.

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