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Tracking Issue for offset_of_slice #126151

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Tracking Issue for offset_of_slice#126151
Labels
B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).B-unstableBlocker: Implemented in the nightly compiler and unstable.C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCF-offset_of_slice`#![feature(offset_of_slice)]`S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.T-langRelevant to the language teamT-libsRelevant to the library team, which will review and decide on the PR/issue.

Description

@RalfJung
RalfJung
opened on Jun 8, 2024

The feature gate for the issue is #![feature(offset_of_slice)].

This is a tracking issue for allowing offset_of to determine the offset of unsized fields whose tail is a slice, and hence their alignment and their offset is statically known.

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  1. RalfJung
    added
    C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFC
    on Jun 8, 2024
  2. bors
    added a commit that references this issue on Jun 9, 2024

    Auto merge of rust-lang#126150 - RalfJung:offset_of_slice, r=compiler…

    a595f32
  3. fmease
    added
    T-langRelevant to the language team
    F-offset_of_slice`#![feature(offset_of_slice)]`
    T-libs-api[DEPRECATED; DO NOT USE]
    B-unstableBlocker: Implemented in the nightly compiler and unstable.
    B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).
    S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.
    on Jun 9, 2024
  4. matthiaskrgr
    added 2 commits that reference this issue on Jul 7, 2024

    Describe Sized requirements for mem::offset_of

    ccd8dcc

    Rollup merge of rust-lang#127354 - nicholasbishop:bishop-sized-doc, r…

    c40530d
  5. rust-timer
    added a commit that references this issue on Jul 7, 2024

    Unrolled build for rust-lang#127354

    330b654
  6. nikomatsakis
    moved this to Exploration in Lang team featureson Feb 21, 2025
  7. nikomatsakis
    added this to Lang team featureson Feb 21, 2025
  8. nikomatsakis
    moved this from Exploration to Needs champion in Lang team featureson Feb 21, 2025
  9. nikomatsakis
    moved this from Needs champion to Exploration in Lang team featureson Mar 5, 2025
  10. christian-schilling
    added 2 commits that reference this issue on Jan 27, 2026

    Auto merge of #126150 - RalfJung:offset_of_slice, r=compiler-errors

    327d4ff

    Auto merge of #126150 - RalfJung:offset_of_slice, r=compiler-errors

    afe76df
  11. clarfonthey
    added
    T-libsRelevant to the library team, which will review and decide on the PR/issue.
    and removed
    T-libs-api[DEPRECATED; DO NOT USE]
    on Aug 12, 2026
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    Labels

    B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).B-unstableBlocker: Implemented in the nightly compiler and unstable.C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCF-offset_of_slice`#![feature(offset_of_slice)]`S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.T-langRelevant to the language teamT-libsRelevant to the library team, which will review and decide on the PR/issue.

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