{
  "$type": "site.standard.document",
  "bskyPostRef": {
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  "path": "/t/idea-pre-rfc-null-free-pointer-and-zeroable-reference/23991?page=5#post_91",
  "publishedAt": "2026-03-07T05:45:24.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "Abstractions can be made to be zero cost. You're making the plausibly incorrect assumption that an abstraction has overhead or that crates can't be optimized away.",
  "title": "Idea / Pre-RFC: Null-free pointer and Zeroable reference"
}