{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreia3wns5houwqlhm242vl2x5ckjmwbyt524c3dspkhxy2bop6tn7hm",
    "uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3mgapryok2rr2"
  },
  "path": "/t/f-pattern-types-subsets-enums-using-as/24048?page=2#post_21",
  "publishedAt": "2026-03-04T16:07:55.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "DragonDev1906:\n\n> That's mostly a question of whether you want to allow getting a `&mut MyError` from a `MyErrorSubset` or `&mut MyErrorSubset`, right?\n\nEven whether you can get a `&MyError`, since that needs to be `dereferencable` for the full size of the enum.",
  "title": "F-pattern_types : Subsets enums using as"
}