use use_integer::{IntegerSign, are_coprime, classify_sign, gcd, is_divisible_by, lcm};
fn main() -> Result<(), use_integer::IntegerError> {
assert_eq!(classify_sign(-42), IntegerSign::Negative);
assert!(is_divisible_by(42, 6)?);
assert!(are_coprime(35, 64));
assert_eq!(gcd(-54, 24), 6);
assert_eq!(lcm(-6, 15)?, 30);
Ok(())
}