#![allow(dead_code, deprecated, unused_variables, unused_mut)]
use std::cell::Cell;
struct SomeStruct {
    regular_field: u8,
    special_field: Cell<u8>,
}
fn main() {
    let my_struct = SomeStruct {
        regular_field: 0,
        special_field: Cell::new(1),
    };
    let new_value = 100;
    my_struct.special_field.set(new_value);
    assert_eq!(my_struct.special_field.get(), new_value);
}