Certainly not C# 4.0. We are just finishing up the last few bug fixes for C# 4.0.
This direction for the toolset is the long term plan, and might never come to fruition. And I don't discuss schedules for unannounced, hypothetical future features.
我很确定我现在听到有传言说这是一个“4.0 和 5.0 之间”的项目（一个单独的库，如 ASP.NET MVC）...但我不记得在哪里听到的。我现在当然不会期望 4.0 会出现这种情况。坦率地说，我什至不知道这个短语的确切含义 - 它可以涵盖整个范围的功能。
I'm pretty sure I heard rumours of this being a "between 4.0 and 5.0" item now (a separate library, like ASP.NET MVC)... but I can't remember where I heard that. I certainly wouldn't expect it in 4.0 at this point. Frankly I don't even really know what the phrase means exactly - it could cover a whole range of features.
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当然不是 C# 4.0。我们刚刚完成 C# 4.0 的最后几个错误修复。
该工具集的这个方向是长期计划，可能永远不会实现。我不会讨论未宣布的、假设的未来功能的时间表。
更新：2011 年 10 月
我们有刚刚发布了“编译器即服务”（又名“Roslyn”项目）的预览版。
我们还没有宣布最终的舰艇；它将在 Visual Studio 11 之后发布。
Certainly not C# 4.0. We are just finishing up the last few bug fixes for C# 4.0.
This direction for the toolset is the long term plan, and might never come to fruition. And I don't discuss schedules for unannounced, hypothetical future features.
UPDATE: October 2011
We have just shipped a preview release of "compiler as a service" aka the "Roslyn" project.
We are still not announcing the final ship vehicle; it will be post Visual Studio 11.
它在 Mono 中可用已经有一段时间了。
It's already available in Mono for quite some time.
它已经以Roslyn的名义发布了CTP版本。您可以在 RosLyn 进行检查
It has been released CTP version in the name of Roslyn. You can check it at RosLyn
截至今天（2011 年 10 月 19 日），Roslyn 的 CTP 可供下载：http://msdn.microsoft.com/en-us/roslyn" rel="nofollow noreferrer">http:// /msdn.microsoft.com/en-us/roslyn。
CTP 安装在 Visual Studio 2010 SP1 之上。
As of today (19 October 2011), there is a CTP of Roslyn available for download at http://msdn.microsoft.com/en-us/roslyn.
The CTP installs on top of Visual Studio 2010 SP1.
我很确定我现在听到有传言说这是一个“4.0 和 5.0 之间”的项目（一个单独的库，如 ASP.NET MVC）...但我不记得在哪里听到的。我现在当然不会期望 4.0 会出现这种情况。坦率地说，我什至不知道这个短语的确切含义 - 它可以涵盖整个范围的功能。
I'm pretty sure I heard rumours of this being a "between 4.0 and 5.0" item now (a separate library, like ASP.NET MVC)... but I can't remember where I heard that. I certainly wouldn't expect it in 4.0 at this point. Frankly I don't even really know what the phrase means exactly - it could cover a whole range of features.