{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidius4jbh3ryclktb7zbczvosih6ruetxzjtibfl5buffansbugoa",
    "uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3mjmyoofvpgg2"
  },
  "path": "/t/t-sort-by-index-and-t-sort-by-key-and-index/24172#post_13",
  "publishedAt": "2026-04-16T17:55:17.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "Hmm, since we _have_ the \"apply a permutation\" code, maybe it would be reasonable to start with an `unsafe` method exposing that? They you could always make your own permutation however you need to without also needing to apply it yourself.\n\nI don't know a great (non-allocating) way to check that something _is_ a permutation, though, for a safe API...",
  "title": "`<[T]>::sort_by_index` and `<[T]>::sort_by_key_and_index`"
}