{
  "$type": "site.standard.document",
  "bskyPostRef": {
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  "path": "/t/add-something-like-num-traits-to-std-or-move-it-into-std-entirely/24181#post_5",
  "publishedAt": "2026-04-19T01:55:19.000Z",
  "site": "https://internals.rust-lang.org",
  "tags": [
    "https://github.com/rust-lang/rfcs/pull/3686#discussion_r1755464148"
  ],
  "textContent": "jhpratt:\n\n> just to make generic implementations easier\n\nFor that, I wonder how far you could get with something like https://github.com/rust-lang/rfcs/pull/3686#discussion_r1755464148 instead.\n\nBeing able to have both\n\n\n    impl<N> TheTrait for u<N> { … }\n    impl<N> TheTrait for i<N> { … }\n\n\nis way better than doing that via a trait, because it's no longer a top-level blanket.\n\nAs soon as you have\n\n\n    impl<T: std::sealed::Whatever> TheTrait for T { … }\n\n\nnow it's more annoying to implement it for other things too.",
  "title": "Add something like `num_traits` to STD, or move it into std entirely"
}