{
  "title": "Vehicle class hierarchy with polymorphic tax dispatch",
  "origin_url": "https://www.gwydiondylan.org/gdref/tutorial.html",
  "license_guess": null,
  "code_sha256": "9369ea599f8241fd8151218810da754926ebf9fe84481b41aeec72724838dd8d",
  "added_at": "2026-02-26T15:54:50Z"
}