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I just found out about 's built in playbook feature `crystal play`! Thanks @marcus! :)

The possibilities! 🤩 Interactive code documentation!

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@jokke looks like a regular REPL, why is it special?

@amenthes It's a compiled language for one, so a REPL isn't that trivial, and opposed to a REPL it has features like workbooks, which allow you to write markdown and embed interactive code examples (where you can also include any library or crystal file in your $PWD)

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