C# interpreter add-in for visual studio

I come from a lisp background where I could 开发者_高级运维type in snippets to the command line while coding, to make sure I get a small chunk of code correct the first time. Its great for testing string formatting, simple math calls, etc without having to recompile a whole project to test small changes.

Is there a feature or add-in in visual studio 2010 to get this type of functionality, say like a watch window that runs when you aren't actually executing the program?

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You can abuse the Intermediate window to evaluate things (in debug mode). However, i'd suggest LinqPad it has basic code execution on the fly.

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As well as LinqPad mentioned by Aren, you might want to look at Mono's CsharpRepl.

I don't know if either of these have Visual Studio add-ins available, but it's an interesting thought...

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I usually use LinqPad, but have you tried the immediate window? Personally, this kind of thing is great for creating a unit test.

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One other you should check out is Snippet Compiler