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// run-pass
use std::fmt::Display;
fn check_display_eq(iter: &Vec<impl Display>) {
let mut collected = String::new();
for it in iter {
let disp = format!("{} ", it);
collected.push_str(&disp);
}
assert_eq!("0 3 27 823 4891 1 0", collected.trim());
}
fn main() {
let i32_list_vec = vec![0i32, 3, 27, 823, 4891, 1, 0];
let u32_list_vec = vec![0u32, 3, 27, 823, 4891, 1, 0];
let str_list_vec = vec!["0", "3", "27", "823", "4891", "1", "0"];
check_display_eq(&i32_list_vec);
check_display_eq(&u32_list_vec);
check_display_eq(&str_list_vec);
}
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