pub fn checked_fill(
val: MaybeUninit<u8>,
dest: *mut MaybeUninit<u8>,
count: usize,
) -> Option<()>Available on (x86 or x86-64) and crate feature
full only.pub fn checked_fill(
val: MaybeUninit<u8>,
dest: *mut MaybeUninit<u8>,
count: usize,
) -> Option<()>full only.