Change BufMut methods that expose maybe-uninitialized bytes #305
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- The return type of `BufMut::bytes_mut` is now `&mut [MaybeUninit<u8>]`. - The argument type of `BufMut::bytes_vectored_mut` is now `&mut [bytes::buf::IoSliceMut]`. - `bytes::buf::IoSliceMut` is a `repr(transparent)` wrapper around an `std::io::IoSliceMut`, but does not expose the inner bytes with a safe API, since they might be uninitialized. - `BufMut::bytesMut` and `BufMut::bytes_vectored_mut` are no longer `unsafe fn`, since the types encapsulate the unsafety instead.
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BufMut::bytes_mutis now&mut [MaybeUninit<u8>].BufMut::bytes_vectored_mutis now&mut [bytes::buf::IoSliceMut].bytes::buf::IoSliceMutis arepr(transparent)wrapper around anstd::io::IoSliceMut, but does not expose the inner bytes with a safeAPI, since they might be uninitialized.
BufMut::bytesMutandBufMut::bytes_vectored_mutare no longerunsafe fn, since the types encapsulate the unsafety instead.