Update books

[rustbot]

rust-lang/book

6 commits in af415fc6c8a6823dfb4595074f27d5a3e9e2fe49..f660f341887c8bbcd6c24fbfdf5d2a262f523965
2025-10-28 01:41:51 UTC to 2025-10-24 15:39:51 UTC

• Update to Rust 1.90 (Update to Rust 1.90 book#4545)
• Update to Rust 1.89 (Update to Rust 1.89 book#4544)
• Update to Rust 1.88 (Update to Rust 1.88 book#4543)
• Update to Rust 1.87 (Update to Rust 1.87 book#4542)
• Update to Rust 1.86 (Update to Rust 1.86 book#4541)
• Remove unused subheadings (Remove unused subheadings book#4538)

rust-lang/edition-guide

1 commits in e2ed891f00361efc26616d82590b1c85d7a8920e..5c621253d8f2a5a4adb64a6365905db67dffe3a2
2025-10-23 14:13:01 UTC to 2025-10-23 14:13:01 UTC

• Add back the link for never_type_fallback_flowing_into_unsafe (Add back the link for never_type_fallback_flowing_into_unsafe edition-guide#378)

rust-lang/reference

12 commits in 752eab01cebdd6a2d90b53087298844c251859a1..e122eefff3fef362eb7e0c08fb7ffbf5f9461905
2025-10-28 20:52:27 UTC to 2025-10-21 19:42:06 UTC

• Remove custom redirect scripts (Remove custom redirect scripts reference#2065)
• Avoid specifying "last import wins" for MBEs (Avoid specifying "last import wins" for MBEs reference#2057)
• Add caveats about mutable references in consts (Add caveats about mutable references in consts reference#2058)
• Move punctuation index to an appendix, and expand for other syntaxes (Move punctuation index to an appendix, and expand for other syntaxes reference#2061)
• Use American spelling for "labeled" (Use American spelling for "labeled" reference#2066)
• Remove rules from names intro (Remove rules from names intro reference#2060)
• Minor adjustments to inner/outer attribute definitions (Minor adjustments to inner/outer attribute definitions reference#2059)
• Change underscore to be a keyword (Change underscore to be a keyword reference#2049)
• Update proc_macro_attribute to use the attribute template (Update proc_macro_attribute to use the attribute template reference#1889)
• Update proc_macro to use the attribute template (Update proc_macro to use the attribute template reference#1887)
• Update macro_use to use the attribute template (Update macro_use to use the attribute template reference#1886)
• Update macro_export to use the attribute template (Update macro_export to use the attribute template reference#1885)

rust-lang/rust-by-example

7 commits in 2c9b490d70e535cf166bf17feba59e594579843f..160e6bbca70b0c01aa4de88d19db7fc5ff8447c3
2025-11-03 12:26:45 UTC to 2025-10-22 13:19:06 UTC

• Fix typos in flow_control/match/binding (Fix typos in flow_control/match/binding rust-by-example#1971)
• add clarification on overflowing_literals lint (add clarification on overflowing_literals lint rust-by-example#1970)
• Update enum_use.md (Update enum_use.md rust-by-example#1960)
• Remove weird extra spaces in code (Remove weird extra spaces in code rust-by-example#1962)
• Include a link to The Rust Reference in flow_control/match/destructuring (Include a link to The Rust Reference in flow_control/match/destructuring rust-by-example#1963)
• Add an example showing pattern binding when matching several values in a match arm (Add an example showing pattern binding when matching several values in a match arm rust-by-example#1966)
• Fix typo in linked list length calculation comment (Fix typo in linked list length calculation comment rust-by-example#1968)

[rustbot]

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[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[ehuss]

@bors r+ rollup

[bors]

📌 Commit b24b7bd has been approved by ehuss

It is now in the queue for this repository.