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