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31003a3089
Implement write() method for Box<MaybeUninit<T>> This adds method similar to `MaybeUninit::write` main difference being it returns owned `Box`. This can be used to elide copy from stack safely, however it's not currently tested that the optimization actually occurs. Analogous methods are not provided for `Rc` and `Arc` as those need to handle the possibility of sharing. Some version of them may be added in the future. This was discussed in #63291 which this change extends. |
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Cargo.toml |