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  1. Masaki Hara (qnighy@qnmd.info)'s status on Sunday, 19-Aug-2018 19:56:10 JST Masaki Hara Masaki Hara
    • せのお (妹尾 賢)

    https://github.com/rust-lang/rfcs/pull/1892
    Rustではzeroedやuninitializedというunsafe関数で未初期化の値を生成できるが、LLVMの仕様上これらは(型によっては)生成した瞬間にUBになるという問題が指摘されていた。
    そこで、未初期化でもUBにしないMaybeUninitという新しい型を作り、それを使う提案がマージされた。

    In conversation Sunday, 19-Aug-2018 19:56:10 JST from qnmd.info permalink

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    1. Deprecate uninitialized in favor of a new MaybeUninit type by canndrew · Pull Request #1892 · rust-lang/rfcs
      from GitHub
      My thoughts on what to do with uninitialized and !. Rendered Tracking issue Edit: This has been updated to instead recommend deprecating uninitialized entirely. The old Inhabited trait proposal is ...

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