Update no_std to use the attribute template
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These don't really belong where they are, and are just generally helpful things about the attribute.
The current text was a little bit of a mess and had some subtle inaccuracies. This reworks so that the intro follows the template, and just generally introduces the attribute. `allowed-positions` now just specifies the allowed positions. I reworked the behavior changes caused by no_std into proper separate rules. `std` is not injected into the crate root anymore starting with edition 2018.
I do not know how this was missing, I've looked at it a million times. I feel like I was maybe missing something, but I really can't find anything that directly refers to this, nor can I find any open issues. I believe this is now done with this relatively subtle bit: https://github.com/rust-lang/rust/blob/4d08223c054cf5a56d9761ca925fd46ffebe7115/compiler/rustc_builtin_macros/src/standard_library_imports.rs#L42 In the past it used to use a different approach of emulating `extern crate std as _;`: https://github.com/rust-lang/rust/blob/c8cf9f5a025bb475804b5a90f54aca310b952526/src/libsyntax_ext/standard_library_imports.rs#L42-L46
More closely align with the template, and some minor word tweaks.
We had said here that the `no_std` attribute is used to "prevent the automatic linking of the std crate", but then further down we say, "using `no_std` does not prevent the standard library from being linked in". The important distinction here is the word "automatically", but that gets a bit lost due to reusing the "prevent" phrasing. Probably "prevent" is just too strong a word to use when what we're really saying is that we're causing something to not happen automatically. Let's make that more clear and increase sentence parallelism.
Some sentences here could be improved with more sentence parallelism and a bit of reordering, so let's do that.
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This PR was rebased onto a different master commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
traviscross
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Nov 11, 2025
We had text in the intro about "deferring to the core crate instead", but it may not have been sufficiently clear what we mean exactly by that. Let's talk specifically about how `no_std` causes us to use the `core` crate for the standard library prelude and for the `macro_use` prelude.
We want to highlight how using `no_std` doesn't prevent `std` from being linked. Let's revise and elaborate this text for clarity.
The text here could be read in such a way as to imply that `no_std` affected whether or not `core` was added to the extern prelude, but that isn't the case. Let's make it clear that this section is about what is added to the `macro_use` prelude and speak to that directly.
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Update books ## rust-lang/book 61 commits in f660f341887c8bbcd6c24fbfdf5d2a262f523965..f78ab89d7545ac17780e6a367055cc089f4cd2ec 2025-11-10 03:30:48 UTC to 2025-01-22 16:19:58 UTC - Merge 3rd ed to main (rust-lang/book#4567) - Fix typo in section 17.2 (rust-lang/book#4456) - Chapter 19 from tech review (rust-lang/book#4446) - Chapter 18 from tech review (rust-lang/book#4445) - Chapter 16 from tech review (rust-lang/book#4438) - WIP ch 17 edits after tech review (rust-lang/book#4319) - Chapter 15 from tech review (rust-lang/book#4433) - Chapter 14 from tech review (rust-lang/book#4423) - Chapter 13 from tech review (rust-lang/book#4421) - Chapter 12 from tech review (rust-lang/book#4410) - Chapter 11 from tech review (rust-lang/book#4391) - Chapter 10 from tech review (rust-lang/book#4379) - Chapter 9 from tech review (rust-lang/book#4377) - Chapter 8 from tech review (rust-lang/book#4378) - Chapter 7 from tech review (rust-lang/book#4374) - Chapter 6 from tech review (rust-lang/book#4370) - Chapter 5 from tech review (rust-lang/book#4359) - Chapter 4 from tech review (rust-lang/book#4358) - Chapter 3 from tech review (rust-lang/book#4353) - Ch01+ch02 after tech review (rust-lang/book#4329) - Ch. 21: call out Chrome multiple-connections issue (rust-lang/book#4297) - Ch. 16: refactor 16-6 to using listing component (rust-lang/book#4295) - Ch. 01: Show how to work offline (rust-lang/book#4294) - Ch. 07: Clarify sentences about `pub use` (rust-lang/book#4293) - Ch. 02: Consistent ordering of `use` statements (rust-lang/book#4292) - Anchors on listings (rust-lang/book#4271) - Ch. 17: another tweak to how we phrase things about sections (rust-lang/book#4288) - Ch. 20: correct listing number (rust-lang/book#4287) - Ch. 10.3: clarify language detail (rust-lang/book#4284) - Ch. 17: minor typos and link reference (rust-lang/book#4286) - Ch. 9: correctly demonstrate privacy with module (rust-lang/book#4282) - Ch. 18: correct discussion of delegation in `Post` methods (rust-lang/book#4281) - Ch. 20: tell folks to see the Reference for more ABI info (rust-lang/book#4165) - Ch 10.1 minor clarifications (rust-lang/book#4256) - Clarified the misunderstanding b/w crates, module, items (rust-lang/book#4232) - Ferris: always show, even when it’s small (rust-lang/book#4280) - Ch. 17: mention `use std::pin::{Pin, pin};` on introduction (rust-lang/book#4279) - Persist printing error, NOT ErrorKind (rust-lang/book#4259) - Typo: "2" should be "2 seconds" (rust-lang/book#4263) - Ch. 17: fix tiny example consistency issue (rust-lang/book#4270) - Bump ring from 0.17.8 to 0.17.13 in /listings/ch17-async-await/listing-17-02 (rust-lang/book#4261) - Bump ring from 0.17.8 to 0.17.14 in /packages/trpl (rust-lang/book#4273) - 2024 Print Edition: updates to Word docs and more fixes to Markdown text (rust-lang/book#4272) - Ch. 10: Make social media discussion generic. (rust-lang/book#4249) - Another Ch. 17 -> 18 fix (rust-lang/book#4247) - Ch. 05: further tweak to wording about `user1` availability (rust-lang/book#4246) - Ch. 02: Fix rand version mistake (from testing) (rust-lang/book#4245) - Ch. 19: Correct the discussion of `fn` type and closures (rust-lang/book#4244) - Edition maintenance: scripting the updates for future work (rust-lang/book#4243) - Ch. 17: fresh-eyes edits (rust-lang/book#4242) - Ch. 17: drop lifetime not required in 2024 Edition (rust-lang/book#4212) - Appendix B, Operators: Replace “member access” with “field access” and “method call”. (rust-lang/book#4240) - Update to Rust 1.85 and 2024 Edition! (rust-lang/book#4241) - Chapter 1: fix 'four things' now that spacing is not emphasized (rust-lang/book#4239) - Fix typos in chapter 17 (rust-lang/book#4238) - NoStarch backports (rust-lang/book#4224) - Fix example for `cargo fix` (rust-lang/book#4226) - Add missing word in ch17-04-streams.md (rust-lang/book#4218) - Fix typo in ch5.3 and in CONTRIBUTING.md (rust-lang/book#4216) - chore: reformat src with dprint (rust-lang/book#4211) - Redirects: get rid of the weird gap in Ch. 20 sections! (rust-lang/book#4209) ## rust-lang/edition-guide 1 commits in 5c621253d8f2a5a4adb64a6365905db67dffe3a2..9cf5443d632673c4d41edad5e8ed8be86eeb3b8f 2025-11-15 21:51:11 UTC to 2025-11-15 21:51:11 UTC - Link to 1.56.0 and 1.85.0 blog posts (rust-lang/edition-guide#380) ## rust-lang/nomicon 4 commits in 60f0b30d8ec1c9eb5c2582f2ec55f1094b0f8c42..0fe83ab28985b99aba36a1f0dbde3e08286fefda 2025-11-15 00:03:14 UTC to 2025-11-05 20:56:09 UTC - Fix grammar in ffi.md (rust-lang/nomicon#510) - Add CITATION.cff (rust-lang/nomicon#507) - Use the newest Layout::array size checks for vec-alloc (rust-lang/nomicon#508) - review comment: dropck analysis is *not* trivial (rust-lang/nomicon#498) ## rust-lang/reference 6 commits in e122eefff3fef362eb7e0c08fb7ffbf5f9461905..f9f1d2a4149f02582aec2f8fcdfa5b596193b4e2 2025-11-16 15:23:27 UTC to 2025-11-09 15:04:53 UTC - add 'system' to variadic ABIs (rust-lang/reference#2069) - Guarantee the binary representation of `isize` explicitly (rust-lang/reference#2064) - Update `no_implicit_prelude` to use the attribute template (rust-lang/reference#1914) - Update `no_std` to use the attribute template (rust-lang/reference#1913) - const_eval.md: be more clear where link leads to (rust-lang/reference#2083) - specify s390x target features (rust-lang/reference#1972) ## rust-lang/rust-by-example 1 commits in 160e6bbca70b0c01aa4de88d19db7fc5ff8447c3..f944161716230641605b5e3733e1c81f10047fd4 2025-11-05 12:46:38 UTC to 2025-11-05 12:46:38 UTC - Revise `Path` type documentation for clarity (rust-lang/rust-by-example#1972)
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Rollup merge of #149031 - rustbot:docs-update, r=ehuss Update books ## rust-lang/book 61 commits in f660f341887c8bbcd6c24fbfdf5d2a262f523965..f78ab89d7545ac17780e6a367055cc089f4cd2ec 2025-11-10 03:30:48 UTC to 2025-01-22 16:19:58 UTC - Merge 3rd ed to main (rust-lang/book#4567) - Fix typo in section 17.2 (rust-lang/book#4456) - Chapter 19 from tech review (rust-lang/book#4446) - Chapter 18 from tech review (rust-lang/book#4445) - Chapter 16 from tech review (rust-lang/book#4438) - WIP ch 17 edits after tech review (rust-lang/book#4319) - Chapter 15 from tech review (rust-lang/book#4433) - Chapter 14 from tech review (rust-lang/book#4423) - Chapter 13 from tech review (rust-lang/book#4421) - Chapter 12 from tech review (rust-lang/book#4410) - Chapter 11 from tech review (rust-lang/book#4391) - Chapter 10 from tech review (rust-lang/book#4379) - Chapter 9 from tech review (rust-lang/book#4377) - Chapter 8 from tech review (rust-lang/book#4378) - Chapter 7 from tech review (rust-lang/book#4374) - Chapter 6 from tech review (rust-lang/book#4370) - Chapter 5 from tech review (rust-lang/book#4359) - Chapter 4 from tech review (rust-lang/book#4358) - Chapter 3 from tech review (rust-lang/book#4353) - Ch01+ch02 after tech review (rust-lang/book#4329) - Ch. 21: call out Chrome multiple-connections issue (rust-lang/book#4297) - Ch. 16: refactor 16-6 to using listing component (rust-lang/book#4295) - Ch. 01: Show how to work offline (rust-lang/book#4294) - Ch. 07: Clarify sentences about `pub use` (rust-lang/book#4293) - Ch. 02: Consistent ordering of `use` statements (rust-lang/book#4292) - Anchors on listings (rust-lang/book#4271) - Ch. 17: another tweak to how we phrase things about sections (rust-lang/book#4288) - Ch. 20: correct listing number (rust-lang/book#4287) - Ch. 10.3: clarify language detail (rust-lang/book#4284) - Ch. 17: minor typos and link reference (rust-lang/book#4286) - Ch. 9: correctly demonstrate privacy with module (rust-lang/book#4282) - Ch. 18: correct discussion of delegation in `Post` methods (rust-lang/book#4281) - Ch. 20: tell folks to see the Reference for more ABI info (rust-lang/book#4165) - Ch 10.1 minor clarifications (rust-lang/book#4256) - Clarified the misunderstanding b/w crates, module, items (rust-lang/book#4232) - Ferris: always show, even when it’s small (rust-lang/book#4280) - Ch. 17: mention `use std::pin::{Pin, pin};` on introduction (rust-lang/book#4279) - Persist printing error, NOT ErrorKind (rust-lang/book#4259) - Typo: "2" should be "2 seconds" (rust-lang/book#4263) - Ch. 17: fix tiny example consistency issue (rust-lang/book#4270) - Bump ring from 0.17.8 to 0.17.13 in /listings/ch17-async-await/listing-17-02 (rust-lang/book#4261) - Bump ring from 0.17.8 to 0.17.14 in /packages/trpl (rust-lang/book#4273) - 2024 Print Edition: updates to Word docs and more fixes to Markdown text (rust-lang/book#4272) - Ch. 10: Make social media discussion generic. (rust-lang/book#4249) - Another Ch. 17 -> 18 fix (rust-lang/book#4247) - Ch. 05: further tweak to wording about `user1` availability (rust-lang/book#4246) - Ch. 02: Fix rand version mistake (from testing) (rust-lang/book#4245) - Ch. 19: Correct the discussion of `fn` type and closures (rust-lang/book#4244) - Edition maintenance: scripting the updates for future work (rust-lang/book#4243) - Ch. 17: fresh-eyes edits (rust-lang/book#4242) - Ch. 17: drop lifetime not required in 2024 Edition (rust-lang/book#4212) - Appendix B, Operators: Replace “member access” with “field access” and “method call”. (rust-lang/book#4240) - Update to Rust 1.85 and 2024 Edition! (rust-lang/book#4241) - Chapter 1: fix 'four things' now that spacing is not emphasized (rust-lang/book#4239) - Fix typos in chapter 17 (rust-lang/book#4238) - NoStarch backports (rust-lang/book#4224) - Fix example for `cargo fix` (rust-lang/book#4226) - Add missing word in ch17-04-streams.md (rust-lang/book#4218) - Fix typo in ch5.3 and in CONTRIBUTING.md (rust-lang/book#4216) - chore: reformat src with dprint (rust-lang/book#4211) - Redirects: get rid of the weird gap in Ch. 20 sections! (rust-lang/book#4209) ## rust-lang/edition-guide 1 commits in 5c621253d8f2a5a4adb64a6365905db67dffe3a2..9cf5443d632673c4d41edad5e8ed8be86eeb3b8f 2025-11-15 21:51:11 UTC to 2025-11-15 21:51:11 UTC - Link to 1.56.0 and 1.85.0 blog posts (rust-lang/edition-guide#380) ## rust-lang/nomicon 4 commits in 60f0b30d8ec1c9eb5c2582f2ec55f1094b0f8c42..0fe83ab28985b99aba36a1f0dbde3e08286fefda 2025-11-15 00:03:14 UTC to 2025-11-05 20:56:09 UTC - Fix grammar in ffi.md (rust-lang/nomicon#510) - Add CITATION.cff (rust-lang/nomicon#507) - Use the newest Layout::array size checks for vec-alloc (rust-lang/nomicon#508) - review comment: dropck analysis is *not* trivial (rust-lang/nomicon#498) ## rust-lang/reference 6 commits in e122eefff3fef362eb7e0c08fb7ffbf5f9461905..f9f1d2a4149f02582aec2f8fcdfa5b596193b4e2 2025-11-16 15:23:27 UTC to 2025-11-09 15:04:53 UTC - add 'system' to variadic ABIs (rust-lang/reference#2069) - Guarantee the binary representation of `isize` explicitly (rust-lang/reference#2064) - Update `no_implicit_prelude` to use the attribute template (rust-lang/reference#1914) - Update `no_std` to use the attribute template (rust-lang/reference#1913) - const_eval.md: be more clear where link leads to (rust-lang/reference#2083) - specify s390x target features (rust-lang/reference#1972) ## rust-lang/rust-by-example 1 commits in 160e6bbca70b0c01aa4de88d19db7fc5ff8447c3..f944161716230641605b5e3733e1c81f10047fd4 2025-11-05 12:46:38 UTC to 2025-11-05 12:46:38 UTC - Revise `Path` type documentation for clarity (rust-lang/rust-by-example#1972)
lnicola
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Nov 19, 2025
Update books ## rust-lang/book 61 commits in f660f341887c8bbcd6c24fbfdf5d2a262f523965..f78ab89d7545ac17780e6a367055cc089f4cd2ec 2025-11-10 03:30:48 UTC to 2025-01-22 16:19:58 UTC - Merge 3rd ed to main (rust-lang/book#4567) - Fix typo in section 17.2 (rust-lang/book#4456) - Chapter 19 from tech review (rust-lang/book#4446) - Chapter 18 from tech review (rust-lang/book#4445) - Chapter 16 from tech review (rust-lang/book#4438) - WIP ch 17 edits after tech review (rust-lang/book#4319) - Chapter 15 from tech review (rust-lang/book#4433) - Chapter 14 from tech review (rust-lang/book#4423) - Chapter 13 from tech review (rust-lang/book#4421) - Chapter 12 from tech review (rust-lang/book#4410) - Chapter 11 from tech review (rust-lang/book#4391) - Chapter 10 from tech review (rust-lang/book#4379) - Chapter 9 from tech review (rust-lang/book#4377) - Chapter 8 from tech review (rust-lang/book#4378) - Chapter 7 from tech review (rust-lang/book#4374) - Chapter 6 from tech review (rust-lang/book#4370) - Chapter 5 from tech review (rust-lang/book#4359) - Chapter 4 from tech review (rust-lang/book#4358) - Chapter 3 from tech review (rust-lang/book#4353) - Ch01+ch02 after tech review (rust-lang/book#4329) - Ch. 21: call out Chrome multiple-connections issue (rust-lang/book#4297) - Ch. 16: refactor 16-6 to using listing component (rust-lang/book#4295) - Ch. 01: Show how to work offline (rust-lang/book#4294) - Ch. 07: Clarify sentences about `pub use` (rust-lang/book#4293) - Ch. 02: Consistent ordering of `use` statements (rust-lang/book#4292) - Anchors on listings (rust-lang/book#4271) - Ch. 17: another tweak to how we phrase things about sections (rust-lang/book#4288) - Ch. 20: correct listing number (rust-lang/book#4287) - Ch. 10.3: clarify language detail (rust-lang/book#4284) - Ch. 17: minor typos and link reference (rust-lang/book#4286) - Ch. 9: correctly demonstrate privacy with module (rust-lang/book#4282) - Ch. 18: correct discussion of delegation in `Post` methods (rust-lang/book#4281) - Ch. 20: tell folks to see the Reference for more ABI info (rust-lang/book#4165) - Ch 10.1 minor clarifications (rust-lang/book#4256) - Clarified the misunderstanding b/w crates, module, items (rust-lang/book#4232) - Ferris: always show, even when it’s small (rust-lang/book#4280) - Ch. 17: mention `use std::pin::{Pin, pin};` on introduction (rust-lang/book#4279) - Persist printing error, NOT ErrorKind (rust-lang/book#4259) - Typo: "2" should be "2 seconds" (rust-lang/book#4263) - Ch. 17: fix tiny example consistency issue (rust-lang/book#4270) - Bump ring from 0.17.8 to 0.17.13 in /listings/ch17-async-await/listing-17-02 (rust-lang/book#4261) - Bump ring from 0.17.8 to 0.17.14 in /packages/trpl (rust-lang/book#4273) - 2024 Print Edition: updates to Word docs and more fixes to Markdown text (rust-lang/book#4272) - Ch. 10: Make social media discussion generic. (rust-lang/book#4249) - Another Ch. 17 -> 18 fix (rust-lang/book#4247) - Ch. 05: further tweak to wording about `user1` availability (rust-lang/book#4246) - Ch. 02: Fix rand version mistake (from testing) (rust-lang/book#4245) - Ch. 19: Correct the discussion of `fn` type and closures (rust-lang/book#4244) - Edition maintenance: scripting the updates for future work (rust-lang/book#4243) - Ch. 17: fresh-eyes edits (rust-lang/book#4242) - Ch. 17: drop lifetime not required in 2024 Edition (rust-lang/book#4212) - Appendix B, Operators: Replace “member access” with “field access” and “method call”. (rust-lang/book#4240) - Update to Rust 1.85 and 2024 Edition! (rust-lang/book#4241) - Chapter 1: fix 'four things' now that spacing is not emphasized (rust-lang/book#4239) - Fix typos in chapter 17 (rust-lang/book#4238) - NoStarch backports (rust-lang/book#4224) - Fix example for `cargo fix` (rust-lang/book#4226) - Add missing word in ch17-04-streams.md (rust-lang/book#4218) - Fix typo in ch5.3 and in CONTRIBUTING.md (rust-lang/book#4216) - chore: reformat src with dprint (rust-lang/book#4211) - Redirects: get rid of the weird gap in Ch. 20 sections! (rust-lang/book#4209) ## rust-lang/edition-guide 1 commits in 5c621253d8f2a5a4adb64a6365905db67dffe3a2..9cf5443d632673c4d41edad5e8ed8be86eeb3b8f 2025-11-15 21:51:11 UTC to 2025-11-15 21:51:11 UTC - Link to 1.56.0 and 1.85.0 blog posts (rust-lang/edition-guide#380) ## rust-lang/nomicon 4 commits in 60f0b30d8ec1c9eb5c2582f2ec55f1094b0f8c42..0fe83ab28985b99aba36a1f0dbde3e08286fefda 2025-11-15 00:03:14 UTC to 2025-11-05 20:56:09 UTC - Fix grammar in ffi.md (rust-lang/nomicon#510) - Add CITATION.cff (rust-lang/nomicon#507) - Use the newest Layout::array size checks for vec-alloc (rust-lang/nomicon#508) - review comment: dropck analysis is *not* trivial (rust-lang/nomicon#498) ## rust-lang/reference 6 commits in e122eefff3fef362eb7e0c08fb7ffbf5f9461905..f9f1d2a4149f02582aec2f8fcdfa5b596193b4e2 2025-11-16 15:23:27 UTC to 2025-11-09 15:04:53 UTC - add 'system' to variadic ABIs (rust-lang/reference#2069) - Guarantee the binary representation of `isize` explicitly (rust-lang/reference#2064) - Update `no_implicit_prelude` to use the attribute template (rust-lang/reference#1914) - Update `no_std` to use the attribute template (rust-lang/reference#1913) - const_eval.md: be more clear where link leads to (rust-lang/reference#2083) - specify s390x target features (rust-lang/reference#1972) ## rust-lang/rust-by-example 1 commits in 160e6bbca70b0c01aa4de88d19db7fc5ff8447c3..f944161716230641605b5e3733e1c81f10047fd4 2025-11-05 12:46:38 UTC to 2025-11-05 12:46:38 UTC - Revise `Path` type documentation for clarity (rust-lang/rust-by-example#1972)
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Dec 11, 2025
This updates to mdbook 0.5.2 from mdbook 0.4.52. A primary aspect of this change is that it splits the `mdbook` crate into multiple crates, and various API changes and cleanup. There's full release notes and a migration guide at https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-050. This also includes submodule updates: ## book 8 commits in f660f341887c8bbcd6c24fbfdf5d2a262f523965..9c9104e8a82430f97f42e738051bda718919211c 2025-10-27 21:41:51 -0400 to 2025-12-10 11:33:49 -0500 - Update to mdbook 0.5 - Update ch07-02-defining-modules-to-control-scope-and-privacy.md - use AND for search terms - Consistently use let...else - Merge branch 'main' into fix-typo-17-02 - Fix typo in section 17.2 - Revert "Fix typo in section 17.2" - Fix typo in section 17.2 ## edition-guide 2 commits in 5c621253d8f2a5a4adb64a6365905db67dffe3a2..c3c0f0b3da26610138b7ba7663f60cd2c68cf184 2025-10-23 14:13:01 +0000 to 2025-11-28 18:54:18 +0000 - Update to mdbook 0.5 (rust-lang/edition-guide#381) - Link to 1.56.0 and 1.85.0 blog posts (rust-lang/edition-guide#380) ## nomicon 6 commits in 60f0b30d8ec1c9eb5c2582f2ec55f1094b0f8c42..9fe8fa599ad228dda74f240cc32b54bc5c1aa3e6 2025-10-20 13:05:39 +0000 to 2025-12-03 11:54:04 +0000 - Remove references to outdated unsafe code guidelines (rust-lang/nomicon#512) - Update to mdbook 0.5 (rust-lang/nomicon#511) - Fix grammar in ffi.md (rust-lang/nomicon#510) - Add CITATION.cff (rust-lang/nomicon#507) - Use the newest Layout::array size checks for vec-alloc (rust-lang/nomicon#508) - review comment: dropck analysis is *not* trivial (rust-lang/nomicon#498) ## reference 17 commits in e122eefff3fef362eb7e0c08fb7ffbf5f9461905..50c5de90487b68d429a30cc9466dc8f5b410128f 2025-10-28 20:52:27 +0000 to 2025-12-09 22:19:05 +0000 - UB: update the extra clause for provenance UB during const evaluation (rust-lang/reference#2091) - Remove `[no-mentions]` handler in our triagebot config (rust-lang/reference#2102) - Clarify that omitting `nostack` is a promise from the compiler to the programmer (rust-lang/reference#1999) - Specify that range patterns must be nonempty. (rust-lang/reference#2093) - Update to mdbook 0.5 (rust-lang/reference#2096) - get rid of const.no-mut-refs (rust-lang/reference#2080) - use oxford comma (rust-lang/reference#2099) - document `cfg` conditions on inline assembly templates and operands (rust-lang/reference#2063) - remove unused "link reference definitions" (rust-lang/reference#2092) - Add review process overview to review-policy.md (rust-lang/reference#2088) - Remove restriction on dereferencing pointers in const (rust-lang/reference#2090) - add 'system' to variadic ABIs (rust-lang/reference#2069) - Guarantee the binary representation of `isize` explicitly (rust-lang/reference#2064) - Update `no_implicit_prelude` to use the attribute template (rust-lang/reference#1914) - Update `no_std` to use the attribute template (rust-lang/reference#1913) - const_eval.md: be more clear where link leads to (rust-lang/reference#2083) - specify s390x target features (rust-lang/reference#1972) ## rust-by-example 7 commits in 160e6bbca70b0c01aa4de88d19db7fc5ff8447c3..7d21279e40e8f0e91c2a22c5148dd2d745aef8b6 2025-11-03 09:26:45 -0300 to 2025-12-01 15:02:09 -0300 - Update to mdbook 0.5 (rust-lang/rust-by-example#1977) - Use `From::from` fn pointer to convert to boxed errors (rust-lang/rust-by-example#1906) - link the _tuple_ page instead "TupleStruct" (rust-lang/rust-by-example#1909) - enum_use.md: avoid an uncommon term (rust-lang/rust-by-example#1976) - make search less surprising (rust-lang/rust-by-example#1975) - Update documentation for `any` function in iter_any.md (rust-lang/rust-by-example#1973) - Revise `Path` type documentation for clarity (rust-lang/rust-by-example#1972)
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New rules:
names.preludes.extern.no_std.syntaxnames.preludes.extern.no_std.duplicatesnames.preludes.extern.no_std.edition2018Renamed rules:
names.preludes.extern.no_std.externandnames.preludes.extern.no_std.coreis nownames.preludes.extern.no_std.inject