A colleague built a full VSCode debugger for a custom DSL embedded in Lean in just one day using GPT-Codex, something that would have taken weeks before. The post reflects on why Lean's architecture (extensible syntax, in-editor evaluation, interactive widgets) makes it an unusually powerful platform for AI coding agents. It
•6m read time• From joachim-breitner.de
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What was that?Did it take long?Why does Lean make a difference?Where does that lead us?Sort: