4.10 Mutability #83
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4.10 Mutability #83
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@KeenS 確認の程、宜しくお願いします。 |
| <!-- bind `y` to something else (`y = &mut z`), but you can mutate the thing that’s --> | ||
| <!-- bound to `y` (`*y = 5`). A subtle distinction. --> | ||
| `y` はミュータブル参照へのイミュータブルな束縛であり、 `y` を他の束縛に変える(`y = &mut z`)ことはできません。 | ||
| しかし、`y` に束縛されているものを変化させること(`*y = 5`)は可能です。 |
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"A subtle distinction." の訳もお願いします。
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レビュー終わりました。1点だけコメントしましたので、ご対応をお願いします。 |
| <!-- the structure itself. It’s not user facing. For this reason, it hands out `&T` --> | ||
| <!-- with `clone()`. If it handed out `&mut T`s, though, that would be a problem. --> | ||
| つまり、「イミュータビリティ」の真の定義はこうです: これは2箇所から指されても安全ですか? | ||
| `Arc<T>` の例では、イエス: 変更は完全にそれ自身の構造の内側で行われます。ユーザ向いではありません。 |
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「ユーザ向いではありません」ではちょっと分かり難いと思います。
変更が内側で行われるので、「ユーザからは見えません」くらいでしょうか
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@tatsuya6502 レビューありがとうございます。コメント反映しました。(cc: @ykomatsu ) |
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マージします。おつかれさまでした！ |
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4.10 Mutability に着手。