{
  "$type": "site.standard.document",
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    "uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3mgj2t7d6ird2"
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  "path": "/t/idea-pre-rfc-null-free-pointer-and-zeroable-reference/23991?page=5#post_99",
  "publishedAt": "2026-03-07T20:30:44.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "H4n_uL:\n\n> Once you need lifetime tracking, borrow semantics, and field projection on a pointer type, it becomes difficult to express that purely as a library type without compiler support.\n\nWe already have smart pointers that provide lifetime tracking and borrow semantics. Field projection is being worked on. Once that's ready, I expect that's enough compiler support to do the rest as a library type.",
  "title": "Idea / Pre-RFC: Null-free pointer and Zeroable reference"
}