#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::cell::UnsafeCell;
use std::mem::MaybeUninit;
fn main() {
    let m = MaybeUninit::<UnsafeCell<i32>>::uninit();
    unsafe {
        UnsafeCell::raw_get(m.as_ptr()).write(5);
    }
    let uc = unsafe { m.assume_init() };
    assert_eq!(uc.into_inner(), 5);
}