mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 07:14:28 +00:00
23 lines
599 B
Rust
23 lines
599 B
Rust
// 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);
|
|
}
|