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repr(u8) appears on std documentation of c_void #137440

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#116882
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repr(u8) appears on std documentation of c_void#137440
#116882
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fmease
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A-cross-crate-reexportsArea: Documentation that has been re-exported from a different crateA-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsA-reprArea: the `#[repr(stuff)]` attributeC-bugCategory: This is a bug.T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.

Description

@geeklint
geeklint
opened on Feb 22, 2025

Location

Stable documentation:
https://doc.rust-lang.org/std/ffi/enum.c_void.html
Permalink to comment in source code:
https://doc.rust-lang.org/1.85.0/src/core/ffi/mod.rs.html#218

Summary

There's a comment in the source code that suggests the repr(u8) attribute on c_void is an internal implementation detail that shouldn't be exposed to documentation, and is wrapped in a cfg_attr to that effect.

This appears to have worked for the core crate docs, but the re-export in std does have the attribute visible.

Activity

  1. Imagegeeklint
    added
    A-docsArea: Documentation for any part of the project, including the compiler, standard library, and tools
    on Feb 22, 2025
  2. Imagerustbot
    added
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
    on Feb 22, 2025
  3. Imagefmease
    self-assigned this
    on Feb 22, 2025
  4. Imagefmease
    added
    T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.
    C-bugCategory: This is a bug.
    A-cross-crate-reexportsArea: Documentation that has been re-exported from a different crate
    A-reprArea: the `#[repr(stuff)]` attribute
    and removed
    needs-triageThis issue may need triage. Remove when done. See docs forge.rust-lang.org/release/issue-triaging
    on Feb 22, 2025
  5. Imagerust-bors
    added a commit that references this issue on Jun 16, 2025

    Auto merge of #116882 - fmease:rustdoc-generalized-priv-repr-heuristi…

    5e6424b
  6. Imagematthiaskrgr
    added 2 commits that reference this issue on Sep 25, 2025

    Rollup merge of rust-lang#116882 - fmease:rustdoc-generalized-priv-re…

    16474c6

    Rollup merge of rust-lang#116882 - fmease:rustdoc-generalized-priv-re…

    a39d513
  7. Imagebors
    closed this as completedin a39d513on Sep 25, 2025
  8. Imagerust-timer
    added a commit that references this issue on Sep 25, 2025

    Unrolled build for #116882

    527cc10
  9. Imagegithub-actions
    added a commit that references this issue on Sep 26, 2025

    Rollup merge of #116882 - fmease:rustdoc-generalized-priv-repr-heuris…

    e3873d8
  10. ImageKobzol
    added a commit that references this issue on Dec 21, 2025

    Rollup merge of #116882 - fmease:rustdoc-generalized-priv-repr-heuris…

    2a0df28
  11. ImageKobzol
    added a commit that references this issue on Dec 29, 2025

    Rollup merge of #116882 - fmease:rustdoc-generalized-priv-repr-heuris…

    20b6607
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A-cross-crate-reexportsArea: Documentation that has been re-exported from a different crateA-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsA-reprArea: the `#[repr(stuff)]` attributeC-bugCategory: This is a bug.T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.

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