5 fn check_display_eq(iter: impl IntoIterator<Item = impl Display>) {
6 let mut collected = String::new();
8 let disp = format!("{} ", it);
9 collected.push_str(&disp);
11 assert_eq!("0 3 27 823 4891 1 0", collected.trim());
15 let i32_list = [0i32, 3, 27, 823, 4891, 1, 0];
16 let i32_list_vec = vec![0i32, 3, 27, 823, 4891, 1, 0];
17 let u32_list = [0u32, 3, 27, 823, 4891, 1, 0];
18 let u32_list_vec = vec![0u32, 3, 27, 823, 4891, 1, 0];
19 let u16_list = [0u16, 3, 27, 823, 4891, 1, 0];
20 let str_list = ["0", "3", "27", "823", "4891", "1", "0"];
21 let str_list_vec = vec!["0", "3", "27", "823", "4891", "1", "0"];
23 check_display_eq(&i32_list);
24 check_display_eq(i32_list_vec);
25 check_display_eq(&u32_list);
26 check_display_eq(u32_list_vec);
27 check_display_eq(&u16_list);
28 check_display_eq(&str_list);
29 check_display_eq(str_list_vec);