{
  "title": "Bidirectional Swap Lens",
  "origin_url": "https://www.cis.upenn.edu/~bcpierce/papers/lenses-etapsslides.pdf",
  "license_guess": null,
  "code_sha256": "71441c6c846769049c520257ff8a904956193980d8e5c337bcfa9e0ef31e9d77",
  "added_at": "2026-02-12T11:10:40Z"
}