{
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  "path": "/t/what-is-the-most-ergonomic-library-to-diff-data-structures-in-a-test-suite-these-days/13989#post_8",
  "publishedAt": "2026-04-28T21:53:59.000Z",
  "site": "https://discourse.haskell.org",
  "tags": [
    "does not display the actual values",
    "@fpringle",
    "has already created a PR"
  ],
  "textContent": "ozkutuk:\n\n> For my use case, one shortcoming of the library that ultimately didn’t allow me to fully substitute it with our in-house solution is that in the case where two values are structurally the same but have different values (e.g. just two `Int`s with different values) the diff output just reports them as “not equal”, and does not display the actual values.\n\nAmazingly enough, @fpringle has already created a PR addressing this since I have posted this comment, so hopefully I can fully vouch for using this library pretty soon. Thanks for tackling this, and also being extremely fast at that!",
  "title": "What is the most ergonomic library to diff data structures in a test suite these days?"
}