1mod shortcuts { 2 pub fn is_odd(val: isize) -> bool { 3 if val % 2 != 0 { 4 true 5 } else { 6 false 7 } 8 } 9} 10 11#[test] 12fn test_odd() { 13 assert!(shortcuts::is_odd(1) == true); 14 assert!(shortcuts::is_odd(2) == false); 15}