{
  "$type": "site.standard.document",
  "bskyPostRef": {
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    "uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3mha756otb3w2"
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  "path": "/t/maybeinvalid-t-separate-concepts-of-uninitialized-memory-and-invalid-values/24087#post_4",
  "publishedAt": "2026-03-17T01:04:50.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "steffahn:\n\n> (In LLVM this corresponds to the value “`undef`”.)\n\nTechnically, `poison`, IIRC. (TBH, even though I read LLVM’s documentation about the difference between `undef`, `poison`, and `freeze(poison)` not all that long ago, I’ve already forgotten the details, other than the fact that they’re trying to move towards using `poison`.)",
  "title": "`MaybeInvalid<T>` - separate concepts of uninitialized memory and invalid values"
}