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Raynes, I don't know what you want to accomplish with TryClojure, but I see three obvious use cases:
1 - an online REPL for Clojure programmers;
2 - a quick teaser for people getting into Clojure;
3 - a basic Clojure tutorial.
1 doesn't seem either very useful or particularly easy to do (we'd need multi-line input at least). 2 and 3 can kinda coexist, and Try Clojure seems to want to address both - but I think that 3 is a lot of work. I believe that 2 is both the most realistic and useful target. It's also the use case I personally care for, because it brings people to Clojure, and I'm just starting to learn Clojure myself, so I'm all about evangelizing.
So, if you agree we should focus on 2, then maybe we can review what we have and put in some constraints. I imagine the person coming to the site as an OOP programmer exploring something different - the teaser should captivate her and convince her that Clojure is exceptionally cool and useful.
This teaser should be fun, very fast (like, 5 to 15 minutes), and it should show the most mind-blowing features of Clojure, to pique people's curiosity. It's not a problem if the teaser doesn't explain the features in enough detail for the user to understand everything, as long as they make him eager to learn more.
For example, a tutorial-like description of Clojure's types is probably not very compelling for a teaser. On the other hand, showing macros and hinting at their power (cool), or showing people how easily they can use existing Java libraries (useful) - that would work. This means dropping a few pages from the current Try Clojure and introducing a few new ones, and I'm not sure I'd have time to do this myself - but it can be a good guideline for future contributors.
Sorry, this was really long. And BTW, the existing Try Clojure is great already, so I'll be happy even if you have a different vision for this thing.
2 and 3 are the focuses. 1 isn't really feasible with code-based sandboxing. It could be with system-based sandboxing, but that isn't something I want to do.
I agree that a teaser is probably better than a half-assed tutorial. Tryclojure isn't really the place for a tutorial. A tutorial could easily be written somewhere else by somebody else and use tryclojure too. I agree that this isn't the place for it.
I think we're entirely in agreement.
Great. I'll probably edit a few pages in light of this. Thanks for the comment!