{
  "$type": "site.standard.document",
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  "path": "/t/what-is-the-most-ergonomic-library-to-diff-data-structures-in-a-test-suite-these-days/13989#post_9",
  "publishedAt": "2026-04-29T00:06:58.000Z",
  "site": "https://discourse.haskell.org",
  "tags": [
    "karya/Util/Test/Testing.hs at work · elaforge/karya · GitHub",
    "karya/Util/PPrint.hs at work · elaforge/karya · GitHub"
  ],
  "textContent": "For my own test framework, I pretty print and then let the diff stuff highlight: karya/Util/Test/Testing.hs at work · elaforge/karya · GitHub It’s simple and good enough almost all the time. For pretty print, I also have my own function, but it descends from ipprint: karya/Util/PPrint.hs at work · elaforge/karya · GitHub\n\nI think I tried generic diff at some point, but concluded it was much work for little return.",
  "title": "What is the most ergonomic library to diff data structures in a test suite these days?"
}