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Partially stabilize maybe_uninit_extra

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This covers:

    impl<T> MaybeUninit<T> {
        pub unsafe fn assume_init_read(&self) -> T { ... }
        pub unsafe fn assume_init_drop(&mut self) { ... }
    }

It does not cover the const-ness of `write` under
`const_maybe_uninit_write` nor the const-ness of
`assume_init_read` (this commit adds
`const_maybe_uninit_assume_init_read` for that).

FCP: https://github.com/rust-lang/rust/issues/63567#issuecomment-958590287.

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Miguel Ojeda 2022-01-11 15:46:53 +01:00
parent e4b1d58414
commit 8680a44c0f
4 changed files with 5 additions and 9 deletions
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1
library/std/src/lib.rs
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@ -297,7 +297,6 @@
#![feature(llvm_asm)]
#![feature(log_syntax)]
#![feature(map_try_insert)]
#![feature(maybe_uninit_extra)]
#![feature(maybe_uninit_slice)]
#![feature(maybe_uninit_uninit_array)]
#![feature(maybe_uninit_write_slice)]