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Re:Ask HN: What do you code when learning a new language/fra... by rauhl on Friday July 15, 2022 @07:22AM (#32106989)
This comment from a few days suggests implementing ed: https://news.ycombinator.com/item?id=32015912

That strikes me as an excellent idea: it’s a pretty small tool, but it is useful and has just enough complexity to test the language and its standard library. Note, however, that I have not done so myself!

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