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arc should require send trait #2788

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arc should require send trait#2788
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@brson
brson
opened on Jul 3, 2012

As currently defined arc only requires T: const but this would allow them to store local boxes, which would not be safe.

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  1. ghost assigned
    eholk
    on Jul 3, 2012

  2. eholk commented on Jul 3, 2012

    @eholk
    eholk
    on Jul 3, 2012
    Contributor

    Is this for the shared arc or the exclusive arc? I thought the point of the const trait was that we could safely share even @ boxes.

  3. eholk commented on Jul 3, 2012

    @eholk
    eholk
    on Jul 3, 2012
    Contributor

    Nevermind, I thought about it some more on the way home and remembered that @ boxes have a reference count which is mutable.

  4. Imageeholk
    added a commit that references this issue on Jul 5, 2012

    Arc requires send trait (issue #2788)

    d93f3c5
  5. Imageeholk
    closed this as completedon Jul 5, 2012
  6. Imagebrson
    unassigned
    eholk
    on Jun 16, 2014
  7. Imagetshepang
    added a commit that references this issue on Mar 12, 2026

    Merge pull request rust-lang#2788 from rust-lang/update-autodiff-inst…

    5cbdf84
  8. ImageU007D
    added a commit that references this issue on Aug 21, 2026

    Merge rust-lang#2788

    a05970d
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