#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::mem::MaybeUninit;
fn main() {
    let mut data: [MaybeUninit<String>; 1000] = [const { MaybeUninit::uninit() }; 1000];
    let mut data_len: usize = 0;
    for elem in &mut data[0..500] {
        elem.write(String::from("hello"));
        data_len += 1;
    }
    for elem in &mut data[0..data_len] {
        unsafe {
            elem.assume_init_drop();
        }
    }
}