// run-pass pub fn main() { assert_eq!(format!("{:?}", vec![0, 1]), "[0, 1]".to_string()); let foo = vec![3, 4]; let bar: &[isize] = &[4, 5]; assert_eq!(format!("{:?}", foo), "[3, 4]"); assert_eq!(format!("{:?}", bar), "[4, 5]"); }