#![allow(dead_code, deprecated, unused_variables, unused_mut)]
fn main() {
    let big_number = 1_000_000_000_000i64;
    let smaller_number = big_number as i32;
    assert_eq!(smaller_number, - 727379968);
    let try_smaller_number = i32::try_from(big_number);
    assert!(try_smaller_number.is_err());
    let try_successful_smaller_number = i32::try_from(3);
    assert!(try_successful_smaller_number.is_ok());
}