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31 lines
963 B
Rust
31 lines
963 B
Rust
// run-pass
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use std::fmt::Display;
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fn check_display_eq(iter: impl IntoIterator<Item = 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 = [0i32, 3, 27, 823, 4891, 1, 0];
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let i32_list_vec = vec![0i32, 3, 27, 823, 4891, 1, 0];
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let u32_list = [0u32, 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 u16_list = [0u16, 3, 27, 823, 4891, 1, 0];
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let str_list = ["0", "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);
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check_display_eq(i32_list_vec);
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check_display_eq(&u32_list);
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check_display_eq(u32_list_vec);
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check_display_eq(&u16_list);
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check_display_eq(&str_list);
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check_display_eq(str_list_vec);
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}
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