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by szx 4098 days ago
I imagine the idea behind this was to avoid having to roll an in-browser IDE with the advantage of letting users use (and learn) the actual tooling that comes with that language.

I personally liked using my own editor, but the CLI didn't provide much added value in my opinion. The tests were enough for me and it was kind of annoying to have to run the CLI every time you're finished just to get the next exercise...