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That seems cool--CoffeeScript's syntax is definitely better-suited for this sort of thing than JavaScript's!

The main page says the library's in CoffeeScript, but the drag and drop example uses JavaScript. Do you have a similar (or even the same) example in CoffeeScript? I'd like to see what it looks like.

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There are two parts to example: the plain functions, and the composition. CoffeeScript can make the plain functions look different, but the composition is the strangest looking; I need to find a better syntax for representing a directed graph in code, and CoffeeScript doesn't help with that part.

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